List of ship launches in 1866

| Bell Hill

| For Messrs. J. B. Walmsley & Co.{{Cite news |title=Local News |newspaper=Liverpool Mercury |location=Liverpool |date=2 January 1866 |issue=5593 }}

----

! 1 January

| {{flagcountry|UKGBI}}

| Messrs. T. Vernon & Sons

| Cape Clear

| For private owner.{{Cite news |title=Iron Ship-building at Liverpool |newspaper=Daily News |location=London |date=4 January 1866 |issue=6136 }}

----

! 1 January

| {{flagcountry|UKGBI}}

| William Doxford

| Runnymede

| For Jackson & Co.

----

! 2 January

| {{flagcountry|UKGBI}}

| Messrs. Charles Connell & Co.

| Huntley Castle

| For Glasgow and Asiatic Shipping Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=3 January 1866 |issue=8110 }}

----

! 3 January

| {{flagcountry|UKGBI}}

| Messrs. T. Vernon & Sons

| Achilles

| For W. H. Dixon.{{Cite news |title=Ship Launch at Seacombe |newspaper=Liverpool Mercury |location=Liverpool |date=4 January 1866 |issue=5595 }}

----

! 3 January

| {{flagcountry|UKGBI}}

| {{PS|Britannia|1866|2}}

| For Leith and Newcastle Steam Packet Co.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=13 January 1866 |page=12 |issue=25394 |column=B }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=4 January 1866 |issue=8111 }}

----

! 4 January

| {{flagcountry|UKGBI}}

| Messrs. Hedderwick & Co.

| Estrella

| For Messrs. Doward, Dixon & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=5 January 1866 |issue=8112 }}

----

! 4 January

| {{flagcountry|UKGBI}}

| Messrs. R. & J. Evans

| Explorer

| For Messrs. T. H. Ismay & Co.

----

! 4 January

| {{flagcountry|UKGBI}}

| Messrs. R. & J. Evans

| Santa Clara

| For Messrs. T. H. Ismay & Co.{{Cite news |title=Launch of Two Ships |newspaper=Liverpool Mercury |location=Liverpool |date=5 January 1866 |issue=5596 }}

----

! 6 January

| {{flagcountry|UKGBI}}

| Ayr

| The Maid of Mona

| For John Moore.{{Cite news |title=Ayr |newspaper=Glasgow Herald |location=Glasgow |date=8 January 1866 |issue=8114 }}

----

! 13 January

| {{flagcountry|UKGBI}}

| Messrs. Thomas Wingate & Co.

| {{PS|Murray|1866|2}}

| For Mr. Johnston.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=10 January 1866 |issue=8120 }}

----

! 14 January

| {{flagcountry|UKGBI}}

| William Watson

| Terentia

| For Walton & Co.

----

! 16 January

| {{flagcountry|UKGBI}}

| City of Seringapatam

| For Messrs. George Smith & Sons.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=17 January 1866 |issue=8122 }}

----

! 17 January

| {{flagcountry|UKGBI}}

| John Batchelor, or Batchelor Bros.

| Cardiff

| Talca

| For Cory Bros.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10021&ref=206638&vessel=TALCA |title=Talca |publisher=Shipping & Shipbuilding Research Trust |accessdate=27 September 2024 }}

----

! 18 January

| {{flagcountry|UKGBI}}

| Messrs. J. & G. Thompson

| {{SS|Iona|1866|2}}

| For London and Edinburgh Shipping Co.{{Cite news |title=Launch of the S.S. Iona |newspaper=Glasgow Herald |location=Glasgow |date=19 January 1866 |issue=8124 }}

----

! 19 January

| {{flagcountry|UKGBI}}

| Messrs. G. C. Hutchinson & Co.

| St. Lawrence-on-Tyne

| Carry On

| For Thomas Philp and Messrs. Charles West & Co.{{Cite news |title=Ship Launch |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=26 January 1866 |issue=9970 }}

----

! 19 January

| {{flagcountry|UKGBI}}

| Messrs. Kirkpatrick, M'Intyre & Co.

| Salado

| For John. H. Carmichael.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=20 January 1866 |issue=8125 }}

----

! 20 January

| {{flagcountry|UKGBI}}

| M'Lea

| Rothesay

| Caledonia

| For John Miller & Archibald Macvicar.{{Cite news |title=Rothesay |newspaper=Glasgow Herald |location=Glasgow |date=24 January 1866 |issue=8128 }}

----

! 20 January

| {{flagcountry|UKGBI}}

| Messrs. Laird Bros.

| {{SS|Guayre|1866|2}}

| For private owner.{{Cite news |title=Launch of a Large Steamer at Birkenhead |newspaper=Liverpool Mercury |location=Liverpool |date=22 January 1866 |issue=6151 }}

----

! 20 January

| {{flagcountry|UKGBI}}

| Messrs. Blackwood & Gordon

| {{SS|Octavia|1866|2}}

| For Messrs. Blackwood & Gordon.{{Cite news |title=Launch at Port-Glasgow |newspaper=Glasgow Herald |location=Glasgow |date=24 January 1866 |issue=8128 }}

----

! 20 January

| {{flagcountry|UKGBI}}

| Lune Ship Building Co.

| Lancaster

| Whittington

| For Lancaster Ship Owners' Co.{{Cite news |title=Lancaster |newspaper=Preston Chronicle |location=Preston |date=27 January 1866 |issue=2847 }}

----

! 31 January

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co

| {{SS|Rakaia|1866|2}}

| For Panama, New Zealand and Australian Royal Mail Co.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=10 February 1866 |page=12 |issue=25418 |column=D }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=1 February 1866 |issue=8135 }}

----

! January

| {{flagcountry|UKGBI}}

| Messrs. Blackwood & Gordon

| {{SS|Octavia|1866|2}}

| For Messrs. Blackwood & Gordon.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=2 February 1866 |page=9 |issue=25412 |column=E }}

----

! 1 February

| {{flagcountry|UKGBI}}

| {{SS|Argyle|1866|2}}

| For private owner.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=2 February 1866 |issue=8136 }}

----

! 1 February

| {{flagcountry|UKGBI}}

| Ceres

| Lighter

| For Leith, Hull & Hamburg Steam Packet Co.

----

! 1 February

| {{flagcountry|UKGBI}}

| Pallas

| Lighter

| For Leith, Hull & Hamburg Steam Packet Co.

----

! 3 February

| {{flagcountry|UKGBI}}

| W. Read

| Ipswich

| Fruit Girl

| For Messrs. Love & Cundall.{{Cite news |title=Launch |newspaper=Ipswich Journal |location=Ipswich |date=10 February 1866 |issue=6615 }}

----

! 3 February

| {{flagcountry|UKGBI}}

| Preston Iron Ship Building Co.

| Kenilworth

| For Robert Hickson.{{Cite news |title=Shipbuilding in Preston |newspaper=Preston Chronicle |location=Preston |date=3 February 1866 |issue=2848 }}

----

! 7 February

| {{flagcountry|UKGBI}}

| Messrs. Scott & Co.

| {{SS|Ajax|1866|2}}

| For Messrs. Holt.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=17 February 1866 |page=11 |issue=25424 |column=A }}{{Cite news |title=Launch of the Ajax |newspaper=Glasgow Herald |location=Glasgow |date=8 February 1866 |issue=8141 }}

----

! 15 February

| {{flagcountry|UKGBI}}

| Thomas Smith

| Edith

| For Thomas Dawson.{{Cite news |title=Launch |newspaper=Preston Chronicle |location=Preston |date=19 February 1866 |issue=2850 }}

----

! 15 February

| {{flagcountry|UKGBI}}

| Messrs. J. & G. Thompson

| {{PS|Villa del Salto|1866|2}}

| For Nueva Compania Saltena.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=24 February 1866 |page=12 |issue=25430 |column=B }}{{Cite news |title=Launch of the Villa del Salto |newspaper=Glasgow Herald |location=Glasgow |date=16 February 1866 |issue=8148 }}

----

! 16 February

| {{flagcountry|UKGBI}}

| Messrs. A. Stephen & Sons

| Minero

| For James Hainsworth.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=17 February 1866 |issue=8149 }}

----

! 17 February

| {{flagcountry|UKGBI}}

| Gleniffer

| Millwall Iron Works and Shipbuilding Company

| For Messrs. J. & A. Allen.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=19 February 1866 |issue=8150 }}

----

! 17 February

| {{flagcountry|UKGBI}}

| {{SS|Matuara|1866|2}}

| For Panama, New Zealand, and Australian Royal Mail Company.{{Cite newspaper The Times |title=Launch of the Mautuara |date=19 February 1866 |page=9 |issue=25425 |column=F }}

----

! 19 February

| {{flagcountry|UKGBI}}

| Messrs. R. Duncan & Co.

| {{PS|Ardencaple|1866|2}}

| Arsenal de Marinha do Corte

| For Glasgow and Helensburgh Steamboat Company.{{Cite news |title=Greenock |newspaper=Glasgow Herald |location=Glasgow |date=20 February 1866 |issue=8151 }}

----

! 19 February

| {{flagcountry|Empire of Brazil}}

| Rio de Janeiro

| {{ship|Brazilian ironclad|Rio de Janeiro

2}}

| Ironclad gunboat

| For Imperial Brazilian Navy.

----

! 19 February

| {{flagcountry|UKGBI}}

| Hepworth

| Isle of Dogs

| {{ship|SY|Rose Winans|1866|2}}

| Steam yacht

| For William Lewis Winans.{{Cite newspaper The Times |title=Launch of the Cigar Ship |date=20 February 1866 |page=12 |issue=25426 |column=D }}{{Cite newspaper The Times |title=Beadon v. Winans - The Cigar Ship |date=25 May 1866 |page=11 |issue=25507 |column=B }}

----

! 19 February

| {{flagcountry|UKGBI}}

| Messrs. R. Duncan & Co.

| {{PS|Roseneath|1866|2}}

| For Glasgow and Helensburgh Steamboat Company.

----

! 27 February

| {{flagcountry|UKGBI}}

| Messrs. A. & J. Inglis

| Pointhouse

| {{SS|Cosmos|1866|2}}

| For private owner.{{Cite newspaper The Times |title=Shipbuilding on the Clyde |date=5 March 1866 |page=5 |issue=25410 |column=F }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=28 February 1866 |issue=8158 }}

----

! February

| {{flagcountry|UKGBI}}

| Hansen

| Goshawk

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Liverpool Mercury |location=Liverpool |date=24 February 1866 |issue=5639 }}

----

! February

| {{flagcountry|UKGBI}}

| Messrs. T. Wingate & Co.

| {{PS|Kittiwake|1866|2}}

| For North British Railway.

----

! February

| {{flagcountry|UKGBI}}

| Messrs. A. Stephens & Sons

| Misero

| For Mr. Hainsworth.

----

! 1 March

| {{flagcountry|UKGBI}}

| J. Davison

| Brinkburn

| For Colling & Co.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland050.html |title=SHIPBUILDERS - PAGE 10 |publisher=Searle |accessdate=6 February 2024 }}

----

! 1 March

| {{flagcountry|UKGBI}}

| Gourlay Bros.

| Dundee

| {{PS|Eider|1866|2}}

| For General Steam Navigation Company.{{Cite news |title=Launch of a Steamer at Dundee |newspaper=Aberdeen Journal |location=Aberdeen |date=7 March 1866 |issue=6165 }}

----

! 1 March

| {{flagcountry|UKGBI}}

| John Smith

| Abredeen

| Leander

| Brig

| For Mr. Henderson and others.{{Cite news |title=Lauches |newspaper=Aberdeen Journal |location=Aberdeen |date=7 March 1866 |issue=6165 }}

----

! 1 March

| {{flagcountry|UKGBI}}

| Messrs. J. & G. Thomson

| {{SS|Weasel|1866|2}}

| For Messrs. Burns.{{Cite news |title=Launch of the Steamship Weasel |newspaper=Glasgow Herald |location=Glasgow |date=2 March 1866 |issue=8160 }}

----

! 2 March

| {{flagcountry|UKGBI}}

| William Duthie Jr.

| Countess of Kintore

| For Shaw, Savill & Co.{{Cite newspaper The Times |title=(advertisement) |date=28 March 1866 |page=2 |issue=25457 |column=B }}

----

! 3 March

| {{flagcountry|UKGBI}}

| {{PS|Herald|1866|2}}

| For Glasgow, Greenock & Campbeltown Line.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=10 March 1866 |page=12 |issue=25442 |column=C }}{{Cite news |title=GReenock |newspaper=Glasgow Herald |location=Glasgow |date=5 March 1866 |issue=8162 }}

----

! 3 March

| {{flagcountry|UKGBI}}

| Messrs. Charles Connell & Co.

| Northampton

| For Messrs. John Lidgett & Sons.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=5 March 1866 |issue=8162 }}

----

! 5 March

| {{flagcountry|UKGBI}}

| Humber Iron Works and Ship Building Company (Limited)

| Hull

| Balkamah

| For Edward Bates.{{Cite news |title=Ship Launch |newspaper=Hull Packet |location=Hull |date=9 March 1866 |issue=4233 }}

----

! 7 March

| {{flagcountry|UKGBI}}

| Messrs. Aitken & Manell

| {{PS|Lord Aberdour|1866|2}}

| For Donald. R. Macgregor.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=19 March 1866 |page=9 |issue=25449 |column=D }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=8 March 1866 |issue=8165 }}

----

! 8 March

| {{flagcountry|UKGBI}}

| Messrs. A. Stephen & Sons

| {{SS|Thomas Roys|1866|2}}

| Whaler

| For private owner.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=9 March 1866 |issue=8166 }}

----

! 13 March

| {{flagcountry|UKGBI}}

| London and Glasgow Engineering and Iron Shipbuilding Co.

| {{SS|Charrua|1866|2}}

| For Compañia Oriental de Navigacion á Vapor.

----

! 13 March

| {{flagcountry|UKGBI}}

| London and Glasgow Engineering and Iron Shipbuilding Co.

| {{SS|Guaycuru|1866|2}}

| For Compañia Oriental de Navigacion á Vapor.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=14 March 1866 |issue=8170 }}

----

! 15 March

| {{flagcountry|UKGBI}}

| Messrs. Charles Connell & Co.

| City of Vienna

| For Messrs. George Smith & Sons.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=16 March 1866 |issue=8172 }}

----

! 17 March

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{PS|Panama|1866|2}}

| For Pacific Steam Navigation Company.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=24 March 1866 |page=12 |issue=25454 |column=B }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=19 March 1866 |issue=8174 }}

----

! 17 March

| {{flagcountry|UKGBI}}

| Messrs. C. A. Day & Co.

| Southampton

| {{SS|Surat|1866|2}}

| For Peninsular and Oriental Steam Navigation Company.{{Cite newspaper The Times |title=Launch of the Surat |date=19 March 1866 |page=12 |issue=25449 |column=B }}

----

! 17 March

| {{flagcountry|UKGBI}}

| {{SS|Tynwald|1866|2}}

| For Isle of Man Steam Packet Company.

----

! 20 March

| {{flagcountry|UKGBI}}

| Messrs. Kirkpatrick, M'Intyre & Co.

| {{SS|Levan|1866|2}}

| For Greenock and Helensburgh Steamboat Company (Limited).{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=21 March 1866 |issue=8176 }}

----

! 20 March

| {{flagcountry|UKGBI}}

| Portland Shipbuilding Co.

| Troon

| Salisbury

| For Merchant Shipping Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=22 March 1866 |issue=8177 }}

----

! 20 March

| {{flagcountry|UKGBI}}

| Woolwich Dockyard

| {{HMS|Sylvia|1866|2}}

| Gunvessel

| For Royal Navy.{{Cite newspaper The Times |title=Naval and Military Intelligence |date=22 March 1866 |page=12 |issue=25452 |column=F }}

----

! 21 March

| {{flagcountry|UKGBI}}

| Messrs. C. & W. Earle

| Hull

| {{SS|Miranda|1866|2}}

| For George Lawson.{{Cite news |title=Launch of a Screw-steamer |newspaper=Hull Packet |location=Hull |date=23 March 1866 |issue=4235 }}

----

! 22 March

| {{flagcountry|UKGBI}}

| Messrs. Henderson, Coulborn & Co.

| Renfrew

| {{SS|North Star|1866|2}}

| For H. L. Seligmann.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=23 February 1866 |issue=8178 }}

----

! 22 March

| {{flag|Ottoman Empire|1793}}

| Constantinople

| {{ship|Ottoman ship|Selimié|1866|2}}

| Frigate

| For Ottoman Navy.{{Cite news |title=A Launch at Constantinople |newspaper=Daily News |location=London |date=30 March 1866 |issue=6209 }}

----

! 27 March

| {{flagcountry|UKGBI}}

| Messrs. A. & J. Inglis

| Pointhouse

| {{PS|Meg Merrilies|1866|2}}

| For private owner.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=9 April 1866 |page=6 |issue=25467 |column=D }}{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=29 March 1866 |issue=8183 }}

----

! 29 March

| {{flagcountry|UKGBI}}

| Robert S. Ferguson

| Port Dundas

| Dunborve

| For Messrs. A. & K. Macdonald.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=31 March 1866 |issue=8185 }}

----

! 29 March

| {{flagcountry|UKGBI}}

| Chatham Dockyard

| {{HMS|Reindeer|1866|2}}

| {{sclass|Camelion|sloop}}

| For Royal Navy.

----

! 31 March

| {{flagcountry|UKGBI}}

| Messrs. W. Denny & Bros.

| {{SS|Avoca|1866|2}}

| For Peninsular and Oriental Steam Navigation Company.

----

! 31 March

| {{flagcountry|UKGBI}}

| Messrs. Camper & Nicholson

| Brunette

| Yawl

| For N. Watney.{{Cite news |title=Royal Albert Yacht Club |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=7 April 1866 |issue=3510 }}

----

! 31 March

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Earl of Belfast|1866|2}}

| For Ardrossn and Belfast Line.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=9 April 1866 |issue=8186 }}

----

! 31 March

| {{flagcountry|UKGBI}}

| Robinson

| Flora

| For HM Coastguard.{{Cite news |title=Gosport |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=4 April 1866 |issue=3509 }}

----

! 31 March

| {{flagcountry|UKGBI}}

| Messrs. Smith, Stephenson & Co

| Grimsby

| Omound

| Smack

| For H. Smethurst.{{Cite news |title=Grimsby |newspaper=Hull Packet |location=Hull |date=6 April 1866 |issue=4237 }}

----

! 31 March

| {{flag|United States|1865}}

| New York Navy Yard

| {{USS|Quinnebaug|1866|2}}

| Sloop-of-war

----

! March

| {{flagcountry|UKGBI}}

| Messrs. Thomas B. Sneath & Co.

| Rutherglen

| {{PS|Elwy|1866|2}}

| For R. W. Preston.

----

! March

| {{flagcountry|UKGBI}}

| Robert Allen & Son.

| Pembroke

| Ferry Queen

| Brig

| For William Allen.{{cite web |url= http://shippingandshipbuilding.uk/view.php?year_built=&builder=12619&ref=236331&vessel=FERRY+QUEEN|title=Ferry Queen |publisher=Shipping & Shipbuilding Research Trust |accessdate=23 September 2024 }}

----

! 2 April

| {{flagcountry|UKGBI}}

| Messrs. Aitken & Mansel

| {{SS|Andrade|1866|2}}

| For Angola Company (Limited).{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=3 April 1866 |issue=8187 }}

----

! 3 April

| {{flagcountry|UKGBI}}

| James Robinson

| Ceylon

| Brig

| For Messrs. John H. Berry & Co.{{Cite news |title=Ship Launch at Sunderland |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=6 April 1866 |issue=9980 }}

----

! 3 April

| {{flagcountry|UKGBI}}

| Messrs. Camper & Nicholson

| Susan

| For Lord Hardwicke.

----

! 3 April

| {{flagcountry|UKGBI}}

| Messrs. Carnegie & Matthew

| Peterhead

| Wallace

| For private owners.{{Cite news |title=Peterhead - Launch |newspaper=Aberdeen Journal |location=Aberdeen |date=11 April 1866 |issue=6170 }}

----

! 4 April

| {{flag|United States|1865}}

| William H. Webb

| New York

| {{ship

Bristol|1866 steamboat|2}}

| For Narragansett Steamship Company.

----

! 11 April

| {{flagcountry|UKGBI}}

| {{PS|Camel|1866|2}}

| For Messrs. Burns.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=21 April 1866 |page=12 |issue=25478 |column=B }}{{Cite news |title=Greenock |newspaper=Glasgow Herald |location=Glasgow |date=13 April 1866 |issue=8196 }}

----

! 11 April

| {{flagcountry|UKGBI}}

| Messrs. A. & J. Inglis

| {{PS|Dandie Dinmont|1866|2}}

| For private owner.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=12 April 1866 |issue=8195 }}

----

! 12 April

| {{flagcountry|UKGBI}}

| Messrs. J. & G. Thomson

| {{PS|Chevalier|1866|2}}

| For Messrs. D. Hutcheson & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=13 April 1866 |issue=8196 }}

----

! 14 April

| {{flagcountry|UKGBI}}

| Messrs. Robinson & Co.

| Cork

| {{PS|City of Cork|1866|2}}

| For Citizens' River Steamers Co.{{Cite news |title=Launch of a Steamer in Cork |newspaper=Freeman's Journal |location=Dublin |date=17 April 1866 }}

----

! 14 April

| {{flagcountry|UKGBI}}

| Messrs. Charles Connell & Co.

| Clyde of Padstow

| Smack

| For Messrs. A. & D. Mackay.

----

! 14 April

| {{flagcountry|UKGBI}}

| William Doxford

| Dorothy Thompson

| For Mr. Tully.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland052.html |title=SHIPBUILDERS - PAGE 11 |publisher=Searle |accessdate=6 February 2024 }}

----

! 14 April

| {{flagcountry|UKGBI}}

| William Watson

| Elizabeth Mary

| For Duncan & Co.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland095.html |title=SHIPBUILDERS - PAGE 36 |publisher=Searle |accessdate=6 February 2024 }}

----

! 14 April

| {{flagcountry|UKGBI}}

| Messrs. Vernon & Son

| Esmerelda

| For Mr. Lowe and others.{{Cite news |title=Ship Launches |newspaper=Liverpool Mercury |location=Liverpool |date=16 April 1866 |issue=5682 }}

----

! 14 April

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Murillo|1866|2}}

| For private owner.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=16 April 1866 |issue=8198 }}

----

! 14 April

| {{flagcountry|UKGBI}}

| Messrs. R. & J. Evans & Co.

| Sylhet

| For Mr. Davies and others.

----

! 16 April

| {{flagcountry|UKGBI}}

| Messrs. L. Hill & Co.

| {{PS|Ardgowan|1866|2}}

| For Greenock & Helensburgh Co.

----

! 16 April

| {{flagcountry|UKGBI}}

| Messrs. J. & R. Swan

| Kelvindock

| Breadalbane

| For Messrs M'Caul.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=17 April 1866 |issue=8199 }}

----

! 16 April

| {{flagcountry|UKGBI}}

| Evans

| Morben

| Rebecca

| Brig

| For private owner.{{Cite news |title=Machynlleth |newspaper=North Wales Chronicle |location=Bangor |date=28 April 1866 |issue=2058 }}

----

! 17 April

| {{flagcountry|UKGBI}}

| Preston Iron Ship Building Company

| {{PS|Jachta|1866|2}}

| For Messrs. J. H. Forester & Co.{{Cite news |title=Ship Launches at Preston |newspaper=Manchester Times |location=Manchester |date=21 April 1866 |issue=437 }}

----

! 17 April

| {{flagcountry|UKGBI}}

| Marpesia

| For Messrs. Thompson, May & Co,{{Cite newspaper The Times |title=New Australian Clipper |date=23 April 1866 |page=6 |issue=25479 |column=B }} or Messrs. Joseph Heap & Sons.{{Cite news |title=Launch of an Australian Clipper on the Clyde |newspaper=Glasgow Herald |location=Glasgow |date=19 April 1866 |issue=8201 }}

----

! 17 April

| {{flagcountry|UKGBI}}

| Millwall Iron Works

| {{HMS|Northumberland|1866|2}}

| {{sclass|Minotaur|ironclad}}

| For Royal Navy.

----

! 17 April

| {{flagcountry|UKGBI}}

| W. Read

| Ipswich

| Pride of Mistley

| For private owner.{{Cite news |title=Launch |newspaper=Ipswich Journal |location=Ipswich |date=21 April 1866 |issue=6625 }}

----

! 17 April

| {{flagcountry|UKGBI}}

| Alexander Hall & Co.

| {{SS|Sobraon|1866|2}}

| For Shaw, Lowther, Maxton & Co.

----

! 17 April

| {{flagcountry|UKGBI}}

| Preston Iron Ship Building Company

| Preston, Lancashire

| {{PS|Taurus|1866|2}}

| For General Steam Navigation Company.

----

! 18 April

| {{flagcountry|UKGBI}}

| Messrs. Kirkpatrick & M'Intyre

| {{SS|Jacinth|1866|2}}

| For Glasgow and Liverpool Carrying Company.{{Cite news |title=Launch of a Liverpool and Glasgow Trader |newspaper=Glasgow Herald |location=Glasgow |date=19 April 1866 |issue=8201 }}

----

! 18 April

| {{flagcountry|UKGBI}}

| Messrs. R. & M. Ratsey

| Minnie

| For Ralph Dawson.{{Cite news |title=Cowes |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=21 April 1866 |issue=3514 }}

----

! 18 April

| {{flagcountry|UKGBI}}

| Seath

| Rutherglen

| {{PS|Princess|1866|2}}

| For private owner.

----

! 18 April

| {{flagcountry|UKGBI}}

| Messrs. Aitken & Mansell

| {{SS|Scotia|1866|2}}

| For Glasgow & Newcastle Shipping Co.

----

! 19 April

| {{flagcountry|UKGBI}}

| Messrs. Robert Steele & Son

| {{SS|Lion|Steele, 1866|2}}

| For Walter Grieve. Lion collided with the steamship Albion on being launched.{{Cite news |title=Alarming Accident at a Launch |newspaper=Glasgow Herald |location=Glasgow |date=20 April 1866 |issue=8202 }}

----

! 19 April

| {{flagcountry|UKGBI}}

| Messrs. Tod & McGregor

| Partick

| {{SS|Princess Alice|1866|2}}

| For Messrs. M. Langlands & Sons.{{Cite news |title=Launches on the Clyde |newspaper=Glasgow Herald |location=Glasgow |date=20 April 1866 |issue=8202 }}

----

! 19 April

| {{flag|France}}

| Chantiers Scott

| Saint-Nazaire

| {{SS|Saint-Laurent

2}}

| Ocean liner

| For Compagnie Générale Transatlantique.

----

! 20 April

| {{flagcountry|UKGBI}}

| Messrs. Robert Steele & Son

| Condor

| For William Houldsworth.{{Cite news |title=Greenock |newspaper=Glasgow Herald |location=Glasgow |date=20 April 1866 |issue=8202 }}

----

! 21 April

| {{flagcountry|UKGBI}}

| Messrs. Fullarton

| Ayr

| The Calderbank

| For private owner.{{Cite news |title=Ayr |newspaper=Glasgow Herald |location=Glasgow |date=23 April 1866 |issue=8204 }}

----

! 24 April

| {{flagcountry|UKGBI}}

| F. Robertson

| Peterhead

| Stinchar

| For Arrow Line.{{Cite news |title=Launch at Peterhead |newspaper=Aberdeen Journal |location=Aberdeen |date=25 April 1866 |issue=6172 }}

----

! 28 April

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Zurbaran|1866|2}}

| For private owner.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=30 April 1866 |issue=8210 }}

----

! 30 April

| {{flagicon|UKGBI}} Colony of New Brunswick

| Saint John

| Brazilian

| Brig

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Glasgow Herald |location=Glasgow |date=26 October 1867 |issue=8677 }}

----

! 30 April

| {{flagcountry|UKGBI}}

| Messrs. Bowdler, Chaffer & Co.

| {{SS|West of England|1866|2}}

| For London and Liverpool Steamship Co.{{Cite news |title=Launch of a Steamer at Seacombe |newspaper=Liverpool Mercury |location=Liverpool |date=1 May 1866 |issue=5695 }}

----

! April

| {{flagcountry|UKGBI}}

| {{SS|Achilles|1866|2}}

| For private owner.

----

! April

| {{flagicon|UKGBI}} Colony of New Brunswick

| Saint John

| Brazilian

| Brig

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Glasgow Herald |location=Glasgow |date=13 August 1866 |issue=8300 }}

----

! April

| {{flagcountry|UKGBI}}

| Spittle

| Newport

| Iron Queen

| For private owner.{{Cite news |title=The Welsh Iron, Tin-plate, and Coal Trades |newspaper=Bristol Mercury |location=Bristol |date=29 January 1867 |issue=8984 }}

----

! April

| {{flagcountry|UKGBI}}

| Andrews

| M. A. Dixon

| For John McDiarmid.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=12024&ref=230665&vessel=M.+A.+DIXON |title=M. A. Dixon |publisher=Shipping & Shipbuilding Research Trust |accessdate=24 September 2024 }}

----

! April

| {{flagicon|UKGBI}} Colony of New Brunswick

| Messrs. T. M. & R. J. Jenkins

| Saint John

| May

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Liverpool Mercury |location=Liverpool |date=3 August 1866 |issue=5776 }}

----

! April

| {{flagcountry|UKGBI}}

| {{PS|Princess of Wales|1866|2}}

| For private owner.

----

! 1 May

| {{flagcountry|UKGBI}}

| Harland & Wolff

| Belfast

| {{ship

Candahar|1866 ship|2}}

| Sailing ship

| For T. & J. Brocklebank.{{cite web |url=http://www.theyard.info/ships/ships.asp?entryid=45 |title=Candahar |publisher=The Yard |accessdate=17 February 2017}}

----

! 2 May

| {{flagcountry|UKGBI}}

| Messrs. Charles Connell & Co.

| County of Bute

| For Messrs. R. & J. Craig.

----

! 2 May

| {{flagcountry|UKGBI}}

| Messrs. Thomas Vernon & Son

| Flechers

| For private owner.{{Cite news |title=Local News |newspaper=Liverpool Mercury |location=Liverpool |date=3 May 1866 |issue=5697 }}

----

! 2 May

| {{flagcountry|UKGBI}}

| Messrs. T. Wingate & Co.

| {{PS|Palmerston|1866|2}}

| For Messrs. Brown.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=12 May 1866 |page=12 |issue=25496 |column=C }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=3 May 1866 |issue=8213 }}

----

! 4 May

| {{flagcountry|UKGBI}}

| Messrs. A. Stephen & Sons

| {{SS|Osaca|1866|2}}

| For Messrs. James Howden & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=5 May 1866 |issue=8215 }}

----

! 4 May

| {{flagcountry|UKGBI}}

| Messrs. Duncan & Co.

| {{SS|Theban|1866|2}}

| For Robert Little.{{Cite news |title=Launch at Port-Glasgow |newspaper=Glasgow Herald |location=Glasgow |date=5 May 1866 |issue=8215 }}

----

! 10 May

| {{flagcountry|UKGBI}}

| Messrs. J. & R . Swan

| {{SS|Victoria|1866|2}}

| For James Hay.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=11 May 1866 |issue=8220 }}

----

! 12 May

| {{flagcountry|UKGBI}}

| Messrs. Thomas Wingate & Co.

| {{SS|Ludworth|1866|2}}

| For London Steam Colliery & Coal Co. (Limited).{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=14 May 1866 |issue=8222 }}

----

! 14 May

| {{flagcountry|UKGBI}}

| Messrs. J. Wigham Richardson & Co.

| Low Walker

| {{SS|Collingwood|1866|2}}

| For Shields Steam Shipping Co.{{Cite news |title=(untitled) |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=18 May 1866 |issue=9986 }}

----

! 15 May

| {{flagcountry|UKGBI}}

| Messrs. Aitken & Mansel

| {{SS|Albert Victor|1866|2}}

| For London and Margate Saloon Steam Packet Company.{{Cite news |title=Launch of the "Albert Victor" |newspaper=Glasgow Herald |location=Glasgow |date=16 May 1866 |issue=8224 }}

----

! 15 May

| {{flagcountry|UKGBI}}

| Robert Jones

| Voryd

| City of St. Asaph

| Barquentine

| For Mr. Williams and others.{{Cite news |title=Rhyl |newspaper=North Wales Chronicle |location=Bangor |date=19 May 1866 |issue=2061 }}

----

! 15 May

| {{flagcountry|UKGBI}}

| A. Denny

| {{SS|Kathleen|1866|2}}

| For private owner.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=17 May 1866 |issue=8225 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Batchelor, or Batchelor Bros.

| Cardiff

| {{PS|La Riposta|1866|2}}

| Messrs. Barclay, Curle & Co

| For private owner.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10021&ref=206640&vessel=LA+RIPOSTA |title=La Riposta |publisher=Shipping & Shipbuilding Research Trust |accessdate=27 September 2024 }}

----

! 16 May

| {{flagcountry|UKGBI}}

| Belpore

| For Messrs. Eyre, Evans & Co.

----

! 16 May

| {{flagcountry|UKGBI}}

| William Watson

| {{SS|Labrador|1866|2}}

| For Hudson's Bay Company.

----

! 16 May

| {{flagcountry|UKGBI}}

| M. Scallan

| Ringsend

| Maria Rickard

| Lugger

| For Stephen Rickard.{{Cite news |title=Shipbuilding in Ringsend |newspaper=Freeman's Journal |location=Dublin |date=17 May 1866 }}

----

! 16 May

| {{flagcountry|UKGBI}}

| Messrs. Malcolmson Bros.

| Waterford

| {{PS|Olga|1866|2}}

| For London, Havre and New York Line.{{Cite news |title=Ship-Building in Waterford |newspaper=Freeman's Journal |location=Dublin |date=21 May 1866 }}

----

! 17 May

| {{flagcountry|UKGBI}}

| Robert Potts

| Seaham

| Durham

| Snow

| For Stavers & Co.{{cite news |url=http://www.searlecanada.org/sunderland/images16/durham3.jpg |title=Ship Launch at Seaham Harbour |newspaper=Shields Daily Gazette |location=South Shields |date=22 May 1866 }}

----

! 18 May

| {{flagcountry|UKGBI}}

| M'Cann

| Hull

| John Rogers

| Fishing vessel

| For Daniel Grimwood.{{Cite news |title=Local Intelligence |newspaper=Hull Packet |location=Hull |date=25 May 1866 |issue=4244 }}

----

! 18 May

| {{flagcountry|UKGBI}}

| {{PS|Vesper|1866|2}}

| For Messrs. Campbell.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=19 May 1866 |issue=8227 }}

----

! 19 May

| {{flagcountry|UKGBI}}

| Gleam

| For Mr. Mollett.{{Cite news |title=Oulton Broad Regatta |newspaper=Ipswich Journal |location=Ipswich |date=26 May 1866 |issue=6630 }}

----

! 24 May

| {{flagcountry|UKGBI}}

| Messrs. C. & W. Earle

| Hull

| {{SS|Garonne|1866|2}}

| For Messrs. Moss & Co.{{Cite news |title=Launch of a Steamer |newspaper=Hull Packet |location=Hull |date=25 May 1866 |issue=4244 }}

----

! 26 May

| {{flagcountry|UKGBI}}

| Messrs. Thomson

| {{SS|Snipe|1866|2}}

| For Messrs. Burns & M'Iver.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=2 June 1866 |page=12 |issue=25514 |column=E }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=28 May 1866 |issue=8234 }}

----

! 29 May

| {{flagcountry|UKGBI}}

| {{SS|Deutschland|1866|2}}

| For Norddeutscher Lloyd.

----

! 29 May

| {{flagcountry|UKGBI}}

| J. & E. Lumsden

| Hendon

| Brig

| For John Crossby and associates.

----

! 31 May

| {{flagcountry|UKGBI}}

| James Laing

| {{SS|Hilda|1866|2}}

| For Thomas & Harrowing.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland061.html |title=SHIPBUILDERS - PAGE 19 |publisher=Searle |accessdate=6 February 2024 }}

----

! 31 May

| {{flagcountry|UKGBI}}

| Deptford Dockyard

| {{HMS|Niobe|1866|2}}

| Dispatch vessel

| For Royal Navy.{{Cite newspaper The Times |title=Naval and Military Intelligence |date=1 June 1866 |page=12 |issue=25513 |column=F }}

----

! May

| {{flagcountry|UKGBI}}

| Fyfe

| Fairlie

| Adeline

| For T. E. Reid.

----

! May

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co

| {{SS|Campeador|1866|2}}

| For Messrs. M'Andred & Co.

----

! May

| {{flagcountry|UKGBI}}

| Messrs. Steele & Sons

| Condor

| For Mr. Houldsworth.{{Cite news |title=Royal Northern Yacht Club |newspaper=Glasgow Herald |location=Glasgow |date=25 May 1866 |issue=8232 }}

----

! May

| {{flagcountry|UKGBI}}

| Fyfe

| Fairlie

| Ellida

| For G. E. Duck.{{Cite news |title=Yacht Building in Scotland |newspaper=Freeman's Journal |location=Dublin |date=25 May 1866 }}

----

! May

| {{flagcountry|UKGBI}}

| Bowdler, Chaffer & Co.

| Jessie Forrest

| For Jacob Forrest.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10008&ref=206932&vessel=JESSIE+FORREST |title=Jessie Forrest |publisher=Shipping & Shipbuilding Research Trust |accessdate=2 October 2024 }}

----

! May

| {{flagcountry|UKGBI}}

| John Banks

| Kilpin Pike

| William Cass

| For William Cass.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=11077&ref=220705&vessel=WILLIAM+CASS |title=William Cass |publisher=Shipping & Shipbuilding Research Trust |accessdate=26 September 2024 }}

----

! May

| {{flagcountry|UKGBI}}

| James Laing

| {{ship

Parramatta|1866|2}}

| Messrs. William Denny & Bros.

| For Devitt and Moore.

----

! 1 June

| {{flagcountry|UKGBI}}

| {{SS|Apollo|1866|2}}

| For Öesterreichische Lloyd.{{Cite news |title=Dumbarton |newspaper=Glasgow Herald |location=Glasgow |date=2 June 1866 |issue=8239 }}

----

! 1 June

| {{flag|Sweden|1844}}

| Motala Verkstad

| Norrköping

| {{HSwMS|Tirfing|1866|2}}

| {{sclass|John Ericsson|monitor|1}}

| For Royal Swedish Navy.

----

! 4 June

| {{flagcountry|UKGBI}}

| Messrs. Steel & Co.

| {{SS|Janet Cowan|1866|2}}

| For Messrs. R. Shankland & Co.{{Cite news |title=Greenock |newspaper=Glasgow Herald |location=Glasgow |date=6 June 1866 |issue=8242 }}

----

! 4 June

| {{flagcountry|UKGBI}}

| Messrs. J. C. Buckle & Co

| Bristol

| Staverton

| For Messrs. J. & S. W. Olive.{{Cite news |title=Launch of a Ship for Bristol Owners |newspaper=Bristol Mercury |location=Bristol |date=23 June 1866 |issue=3977 }}

----

! 6 June

| {{flagcountry|UKGBI}}

| Newby Bridge

| {{SS|Rothay|1866|2}}

| Steamboat

| For private owner.{{Cite news |title=Local Intelligence |newspaper=Preston Chronicle |location=Preston |date=9 June 1866 |issue=2866 }}

----

! 8 June

| {{flagcountry|UKGBI}}

| Messrs. Alexander Stephen & Sons

| Mitero

| For J. Hainsworth.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=9 June 1866 |issue=8245 }}

----

! 11 June

| {{flag|United States|1865}}

| Portsmouth Navy Yard

| {{USS|Piscataqua|1866|2}}

----

! 12 June

| {{flagcountry|UKGBI}}

| Messrs. C. & W. Earle

| Hull

| {{SS|Vine|1866|2}}

| For Messrs. Bailey & Leatham.{{Cite news |title=Local Intelligence |newspaper=Hull Packet |location=Hull |date=15 June 1866 |issue=4247 }}

----

! 14 June

| {{flagcountry|UKGBI}}

| Messrs. Hedderwick & Co.

| River Clyde

| For Messrs. Hargrove, Ferguson & Co.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=15 June 1866 |issue=8250 }}

----

! 14 June

| {{flagcountry|UKGBI}}

| Messrs. Alexander Stephen & Sons

| William Davie

| For Albion Shipping Co.

----

! 16 June

| {{flagcountry|UKGBI}}

| Messrs. Thomas Vernon & Son

| Seacomber

| Oriente

| For Messrs. Nicholson & M'Gill.{{Cite news |title=Ship Launch |newspaper=Liverpool Mercury |location=Liverpool |date=19 June 1866 |issue=5737 }}

----

! 28 June

| {{flagcountry|UKGBI}}

| Messrs. Camper & Nicholson

| Hyacinth

| Yawl

| For Colonel Martyn.{{Cite news |title=Royal Albert Yacht Club |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=7 July 1866 |issue=3536 }}

----

! 28 June

| {{flag|United States|1865}}

| William H. Webb

| New York

| {{ship

Providence|1866 steamboat|2}}

| Sternwheeler

| For Fall River Line.

----

! 28 June

| {{flagcountry|UKGBI}}

| {{ship|HM hired ship|Sussex|1866|2}}

| Thames Ironworks and Shipbuilding Company

| For George Marshall, hired by Royal Navy.{{Cite newspaper The Times |title=Ireland |date=8 August 1866 |page=11 |issue=25571 |column=A }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=29 June 1866 |issue=8262 }}

----

! 28 June

| {{flagcountry|UKGBI}}

| {{HMS|Waterwitch|1866|2}}

| Gunboat

| For Royal Navy.

----

! June

| {{flagcountry|UKGBI}}

| T. Metcalf

| Arkansas

| Mystic Bridge, Connecticut

| For George Watson.

----

! June

| {{flagcountry|Kingdom of Italy}}

| Gena

| {{ship|Italian ship|Citta di Napoli|1866|2}}

| Transport ship

| For Regia Marina.{{Cite news |title=A Large Transport |newspaper=Lloyd's Illustrated Newspaper |location=London |date=24 June 1866 |issue=1231 }}

----

! June

| {{flag|United States|1865}}

| Forsyth & Morgan

| {{ship

Dauntless|ship, 1866|2}}

| For S. Dexter Bradford and James Gordon Bennett Jr.

----

! June

| {{flagcountry|UKGBI}}

| Messrs. Bainbridge, Davy & Hopper

| River Tyne

| {{SS|Florence|1866|2}}

| For E. T. Gourley.{{Cite news |title=Wreck of a Sunderland Steamer. Great Loss of Life |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=2 October 1868 |issue=10110 }}

----

! 2 July

| {{flagcountry|UKGBI}}

| Haslar

| {{HMS|Netley|1866|2}}

| {{sclass|Britomart|gunboat}}

| For Royal Navy.{{Cite news |title=Gosport |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=4 July 1866 |issue=3535 }}

----

! 4 July

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Colon|1866|2}}

| For Messrs. M'Andrew & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=5 July 1866 |issue=8267 }}

----

! 4 July

| {{flagcountry|UKGBI}}

| Messrs. C. & W. Earle

| Hull

| {{SS|Dagmar|1866|2}}

| For Messrs. W. N. Smith & Co.{{Cite news |title=Launch of a New Steamer |newspaper=Hull Packet |location=Hull |date=6 July 1866 |issue=4250 }}

----

! 7 July

| {{flagcountry|UKGBI}}

| Messrs. A. Millan & Sons

| Penrith

| For Peter Iredale.{{Cite news |title=Dumbarton |newspaper=Glasgow Herald |location=Glasgow |date=13 July 1866 |issue=8274 }}

----

! 13 July

| {{flagcountry|UKGBI}}

| Messrs. Blackwppd & Gordon

| {{SS|Windsor|1866|2}}

| For Messrs. Gibson, and D. R. M'Gregor.{{Cite news |title=Launch at Port Glasgow |newspaper=Glasgow Herald |location=Glasgow |date=14 July 1866 |issue=8275 }}

----

! 14 July

| {{flagcountry|UKGBI}}

| John Batchelor, or Batchelor Bros.

| Cardiff

| {{SS|St. Vincent|1866|2}}

| For James Ware.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10021&ref=206641&vessel=ST.+VINCENT |title=St. Vincent |publisher=Shipping & Shipbuilding Research Trust |accessdate=27 September 2024 }}

----

! 14 July

| {{flagcountry|UKGBI}}

| Messrs. Duncan & Co.

| {{SS|Thrascian|1866|2}}

| For private owner.{{Cite news |title=Greenock |newspaper=Glasgow Herald |location=Glasgow |date=10 July 1866 |issue=8271 }}

----

! 9 July

| {{flagcountry|UKGBI}}

| Messrs. Camper & Nicholson

| Miranda

| Yawl

| For Colonel Martyn.{{Cite news |title=Royal Albert Yacht Club |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=14 July 1866 |issue=3538 }}

----

! 12 July

| {{flagcountry|UKGBI}}

| Messrs. A. Leslie & Co.

| Hebburn

| {{SS|Anglo-Dane|1866|2}}

| For Danish and Baltic Steam Navigation Company (limited).{{Cite news |title=Launch of a Steamer |newspaper=Hull Packet |location=Hull |date=20 July 1866 |issue=4252 }}

----

! 14 July

| {{flagcountry|UKGBI}}

| Messrs. Thomas Vernon & Son

| Cordillera

| For Messrs. W. J. Myers, Son, & Co.{{Cite news |title=Ship Launch |newspaper=Liverpool Mercury |location=Liverpool |date=16 July 1866 |issue=5760 }}

----

! 28 July

| {{flagcountry|UKGBI}}

| Messrs. Thomas Vernon & Son

| British Flag

| For British Shipowners' Co.{{Cite news |title=Local News |newspaper=Liverpool Mercury |location=Liverpool |date=30 July 1866 |issue=5772 }}

----

! 28 July

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Bulboa|1866|2}}

| For Messrs. M'Andrew & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=30 July 1866 |issue=8288 }}

----

! 28 July

| {{flagcountry|UKGBI}}

| Messrs. J. Wigham Richardson & Co.

| Low Walker

| {{SS|Columbine|1866|2}}

| For Messrs. Lofthouse, Glover & Co.{{Cite news |title=Launch of an Iron Screw Steamer |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=3 August 1866 |issue=9997 }}

----

! 28 July

| {{flagcountry|UKGBI}}

| Messrs. T. R. Oswald & Co.

| Pallion

| {{SS|Needle Gun|1866|2}}

| For E. T. Gourlay.{{Cite news |title=(untitled) |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=3 August 1866 |issue=9997 }}

----

! 28 July

| {{flagcountry|UKGBI}}

| James Laing

| {{SS|Sherburn|1866|2}}

| Collier

| For H. Morton.

----

! 31 July

| {{flagcountry|UKGBI}}

| Messrs. Johnson & Wood

| Hull

| Defiance

| For Mr. Ansell.{{Cite news |title=Launch |newspaper=Hull Packet |location=Hull |date=3 August 1866 |issue=4254 }}

----

! July

| {{flagicon|UKGBI}} Colony of New Brunswick

| W. S. Cale

| Kouchibouguac

| Analyst

| For private owner.

----

! July

| {{flagcountry|UKGBI}}

| Hansen

| Beatrice

| For private owner.{{Cite news |title=Cowes |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=21 July 1866 |issue=3540 }}

---

! Unknown date

| {{flagcountry|UKGBI}}

| Joseph & Nicholas Butson

| Bodinnick or Polruan

| Eliza Annie

| For W. W. Dingle.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10529&ref=229621&vessel=ELIZA+ANNIE |title=Eliza Annie |publisher=Shipping and Shipbuilding Research Trust |accessdate=7 October 2024 }}

----

! July

| {{flagicon|UKGBI}} Colony of New Brunswick

| William Muirhead

| Miramichi

| Schleswig Bride

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Glasgow Herald |location=Glasgow |date=12 October 1866 |issue=8352 }}

----

! 1 August

| {{flagcountry|UKGBI}}

| Messrs. A. M'Millan & Sons

| Ceylon

| Messrs. William Denny & Bros.

| For John Kerr.{{Cite news |title=Dumbarton |newspaper=Glasgow Herald |location=Glasgow |date=2 August 1866 |issue=8291 }}

----

! 1 August

| {{flagcountry|UKGBI}}

| {{SS|Diana|1866|2}}

| For Österreichischer Lloyd.

----

! 1 August

| {{flagcountry|UKGBI}}

| Messrs. McCann

| Hull

| Perseverance

| For Samuel Edwards.

----

! 9 August

| {{flagcountry|UKGBI}}

| Bowdler, Chaffer & Co.

| Colchagua

| For Joseph Steel & Son.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10008&ref=206933&vessel=COLCHAGUA |title=Colchagua |publisher=Shipping & Shipbuilding Research Trust |accessdate=2 October 2024 }}

----

! 10 August

| {{flagcountry|UKGBI}}

| Messrs. John Reid & Co.

| Antiope

| For Messrs. Joseph Heap & Sons.{{Cite news |title=Launch of an Australian Clipper |newspaper=Glasgow Herald |location=Glasgow |date=11 August 1866 |issue=8299 }}

---

! 10 August

| {{flagcountry|UKGBI}}

| George Butchard

| Gravesend

| {{PS|Palmerston|1866|2}}

| Paddle tug

| For Telegraph Towing Co.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10472&ref=222897&vessel=PALMERSTON |title=Palmerston |publisher=Shipping and Shipbuilding Research Trust |accessdate=7 October 2024 }}

----

! 10 August

| {{flagcountry|UKGBI}}

| W. Simons & Co.

| Renfrew

| {{SS|Vanguard|1866|2}}

| For private owner.{{Cite news |title=Launch at Renfrew |newspaper=Glasgow Herald |location=Glasgow |date=11 August 1866 |issue=8299 }}

----

! 11 August

| {{flagcountry|UKGBI}}

| Messrs. John Duthie, Sons, & Co.

| Australian

| For private owners.{{Cite news |title=Launch |newspaper=Aberdeen Journal |location=Aberdeen |date=15 August 1866 |issue=6188 }}

----

! 11 August

| {{flagcountry|UKGBI}}

| Messrs. Pile, Spence & Co.

| West Hartlepool

| {{SS|Columbian|1866|2}}

| For West India and Pacific Steamhip Co.{{Cite news |title=Local News |newspaper=Liverpool Mercury |location=Liverpool |date=16 August 1866 |issue=5786 }}

----

! 11 August

| {{flagcountry|UKGBI}}

| Messrs. Clover & Co.

| Dallam Tower

| For Lancaster Shipowners Co.{{Cite news |title=Ship Launch at Birkenhead |newspaper=Liverpool Mercury |location=Liverpool |date=13 August 1866 |issue=5784 }}

----

! 11 August

| {{flagcountry|UKGBI}}

| Messrs. Walpole, Webb & Bewley

| Dublin

| {{SS|Dublin|1866|2}}

| For United Kingdom Screw Colliery Company.{{Cite newspaper The Times |title=Ireland |date=13 August 1866 |page=10 |issue=25575 |column=E }}

----

! 11 August

| {{flag|United States|1865}}

| George F. & John Patten

| Bath, Maine

| {{ship

Idaho|1866 ship|2}}

| For Anchor Line.

----

! 13 August

| {{flagcountry|UKGBI}}

| Mr. Thomas

| Nevin

| Isolata

| For private owner.{{Cite news |title=Nevin |newspaper=North Wales Chronicle |location=London |date=18 August 1866 |issue=2074 }}

----

! 13 August

| {{flagcountry|UKGBI}}

| Messrs. Hunt

| Slaughden

| The Result

| For H. Bedwell.{{Cite news |title=Aldeburgh |newspaper=Ipswich Journal |location=Ipswich |date=18 August 1866 |issue=6642 }}

----

! 14 August

| {{flagcountry|UKGBI}}

| Messrs. Kirkpatrick, M'Intyre & Co.

| Hopeful

| For Henry T. Stanes.

----

! 14 August

| {{flagcountry|UKGBI}}

| Messrs. Tod & M'Gregor

| Partick

| Ibis

| Steam yacht

| For F. C. T. Gasgoine.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=15 August 1866 |issue=8302 }}

----

! 14 August

| {{flagcountry|UKGBI}}

| Robert Pace

| Minerva

| For Messrs. Kirkwood & Taylorson.

----

! 15 August

| {{flagcountry|UKGBI}}

| Messrs. M'Nab & Co.

| {{SS|Cariddé|1866|2}}

| For Messrs. J. & V. Fiorio & Co.

----

! 15 August

| {{flagcountry|UKGBI}}

| Messrs. Laurence Hill & Co.

| {{SS|James Rankine|1866|2}}

| For private owner.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=16 August 1866 |issue=8303 }}

----

! 15 August

| {{flagcountry|UKGBI}}

| Messrs. E. & W. Earle

| Hull

| {{SS|Lion|Earle, 1866|2}}

| Steam Keel

| For W. Thompson.{{Cite news |title=Launch |newspaper=Hull Packet |location=Hull |date=17 August 1866 |issue=4256 }}{{Cite news |title=Trial of the Steam Keel Lion |newspaper=Hull Packet |location=Hull |date=7 September 1866 |issue=4259 }}

----

! 18 August

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Cortes|1866|2}}

| For Messrs. M'Andrew & Co.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=25 August 1866 |page=8 |issue=25586 |column=C }}{{Cite news |title=(untitled) |newspaper=Glasgow Herald |location=Glasgow |date=20 August 1866 |issue=8306 }}

----

! 21 August

| {{flagcountry|UKGBI}}

| Messrs. J. & R. Swan

| Kelvin Dock

| {{SS|The Swan|1866|2}}

| For L. Stewart.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=23 August 1866 |issue=8309 }}

----

! 25 August

| {{flag|United States|1865}}

| Boston Navy Yard

| {{USS|Worcester|1866|2}}

| Sloop-of-war

----

! 27 August

| {{flagcountry|UKGBI}}

| Messrs. Walter Hood & Co.

| Christiania Thompson

| For Messrs. George Thompson Jr., & Co.{{Cite news |title=Launch |newspaper=Aberdeen Journal |location=Aberdeen |date=29 August 1866 |issue=6190 }}

----

! 27 August

| {{flagcountry|UKGBI}}

| Messrs. Owen & Roberts

| Portinllaen

| Robert Jones

| For private owner.{{Cite news |title=Portinllaen |newspaper=North Wales Chronicle |location=Bangor |date=1 September 1866 |issue=2076 }}

----

! 28 August

| {{flagcountry|UKGBI}}

| Messrs. Richardson, Denton, Duck & Co.

| Middleton

| {{SS|Lady Alice Hill|1866|2}}

| Messrs. Barclay, Curle & Co

| For private owner.{{Cite news |title=Iron Steamer Launch at Hartlepool |newspaper=Leeds Mercury |location=Leeds |date=29 August 1866 |issue=8854 }}

----

! 28 August

| {{flagcountry|UKGBI}}

| {{SS|Sutherland|1866|2}}

| For Messrs. John Warrack & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=29 August 1866 |issue=8314 }}

----

! 29 August

| {{flagcountry|UKGBI}}

| Messrs. J. & W. Geddie

| Banff

| Lady Ida Duff

| For private owner. Capsized on being launched.{{Cite news |title=Banff - Alarming Accident at a Launch |newspaper=Caledonian Mercury |location=Edinburgh |date=31 August 1866 |issue=24077 }}

----

! 30 August

| {{flagcountry|UKGBI}}

| Harland & Wolff

| Belfast

| {{ship

Tenasserim|1866 ship|2}}

| Sailing ship

| For T. & J. Brocklebank.{{cite web |url=http://www.theyard.info/ships/ships.asp?entryid=46 |title=Tenasserim |publisher=The Yard |accessdate=17 February 2017}}

----

! August

| {{flagcountry|UKGBI}}

| Hempstead Barnes

| Gloucester

| Courier

| For J. & A. Sutherland.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=11873&ref=229422&vessel=COURIER |title=Courier |publisher=Shipping & Shipbuilding Research Trust |accessdate=26 September 2024 }}

----

! August

| {{flagcountry|UKGBI}}

| Messrs. W. Denny & Bros.

| {{SS|Diana|1866|2}}

| For Österreichischer Lloyd.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=11 August 1866 |page=9 |issue=25574 |column=F }}

----

! August

| {{flagicon|UKGBI}} Colony of New Brunswick

| William Muirhead

| Miramichi

| Speedaway

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Glasgow Herald |location=Glasgow |date=6 October 1866 |issue=8347 }}

----

! 1 September

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & co

| {{SS|Cormoran|1866|2}}

| For Ocean Fishery Co.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=10 September 1866 |page=9 |issue=25599 |column=F }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=3 September 1866 |issue=8318 }}

----

! 1 September

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & co

| {{SS|Heron|1866|2}}

| For Ocean Fishery Co.

----

! 6 September

| {{flagcountry|UKGBI}}

| Messrs. Scott & Co.

| Unnamed

| For Messrs. Scott & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=8 September 1866 |issue=8323 }}

----

! 8 September

| {{flagcountry|UKGBI}}

| Messrs. Green

| Blackwall

| Superb

| For private owner.{{Cite news |title=Launch of the Superb |newspaper=Daily News |location=London |date=11 September 1866 |issue=6350 }}

----

! 10 September

| {{flagcountry|UKGBI}}

| Messrs. A. Stephen & Sons

| {{SS|Columbia|1866|2}}

| For Messrs. Handysides & Henderson.{{Cite news |title=Lauch |newspaper=Glasgow Herald |location=Glasgow |date=11 September 1866 |issue=8325 }}

----

! 11 September

| {{flagcountry|UKGBI}}

| {{SS|Nestorian|1866|2}}

| For Messrs. J. & A. Allen.{{Cite news |title=Launch of the S.S. Nestorian |newspaper=Glasgow Herald |location=Glasgow |date=12 September 1866 |issue=8326 }}

----

! 12 September

| {{flagcountry|UKGBI}}

| Messrs. Upham & Son

| Brixham

| Mary Louise

| For Messrs. J. Bovey & Co.{{Cite news |title=Brixham |newspaper=Trewman's Exeter Flying Post |location=Exeter |date=19 September 1866 |issue=5235 }}

----

! 12 September

| {{flagcountry|UKGBI}}

| Messrs. W. Simons & Co.

| Renfrew

| {{SS|Verdin|1866|2}}

| For Messrs. Joseph Verdin & Sons.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=22 September 1866 |page=12 |issue=25610 |column=C }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=14 September 1866 |issue=8328 }}

----

! 15 September

| {{flagcountry|UKGBI}}

| Messrs. J. & G. Thomson

| {{SS|Malvina|1866|2}}

| For London and Edinburgh Shipping Co.{{Cite news |title=Launch of the "Malvina" |newspaper=Glasgow Herald |location=Glasgow |date=16 September 1866 |issue=8329 }}

----

! 17 September

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Pizarro|1866|2}}

| Palmers Shipbuilding and Iron Company

| For Messrs. M'Andrew & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=18 September 1866 |issue=8331 }}

----

! 24 September

| {{flagcountry|UKGBI}}

| Hebburn

| {{HMS|Jumna|1866|2}}

| {{sclass|Euphrates|troopship}}

| For Royal Navy.

----

! 24 September

| {{flagcountry|UKGBI}}

| Messrs. J. & J. Fyfe

| Fairlie

| St. Abb's

| Coaster

| For Messrs. Daniel Cormack and Messrs. J. & J. Rae.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=26 September 1866 |issue=8338 }}

----

! 25 September

| {{flagcountry|UKGBI}}

| B. F. G. Meldrum

| Bo'ness

| Amelia

| For B. F. G. Meldrum and Mr. Marshall.{{Cite news |title=Bo'ness - Launch |newspaper=Glasgow Herald |location=Glasgow |date=27 September 1866 |issue=8339 }}

----

! 25 September

| {{flagcountry|UKGBI}}

| Devonport Dockyard

| {{HMS|Dryad|1866|2}}

| {{sclass|Amazon|sloop}}

| For Royal Navy.

----

! 25 September

| {{flagcountry|UKGBI}}

| Reay & Naisby

| Hylton

| Sancho

| Brig

| For Lawson & Co.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland069.html |title=SHIPBUILDERS - PAGE 23 |publisher=Searle |accessdate=6 February 2024 }}

----

! 26 September

| {{flagcountry|UKGBI}}

| John Lambert

| Ipswich

| I. O. U.

| For E. Johnson.{{Cite news |title=Launch |newspaper=Ipswich Journal |location=Ipswich |date=29 September 1866 |issue=6648 }}

----

! 26 September

| {{flagcountry|UKGBI}}

| Thames Shipbuilding Co.

| Leamouth

| {{HMS|Serapis|1866|2}}

| {{sclass|Euphrates|troopship}}

| For Royal Navy.

----

! 27 September

| {{flagcountry|UKGBI}}

| Messrs. R. Steele & Co.

| Cartsdyke

| Gryfe

| For Mr. Russell.{{Cite news |title=Greenock |newspaper=Glasgow Herald |location=Glasgow |date=28 September 1866 |issue=8340 }}

----

! 27 September

| {{flagcountry|UKGBI}}

| William Allsup

| Mary Jane

| For Lamb & Co.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10500&ref=205461&vessel=MARY+JANE |title=Mary Jane |publisher=Shipping & Shipbuilding Research Trust |accessdate=23 September 2024 }}

----

! 29 September

| {{flagcountry|UKGBI}}

| Messrs. R. & J. Evans & Co.

| Don Guillermo

| For Arthur M. Robinson and others.{{Cite news |title=Launch |newspaper=Liverpool Mercury |location=Liverpool |date=1 October 1866 |issue=5826 }}

----

! September

| {{flagcountry|UKGBI}}

| {{SS|Aline|1866|2}}

| For E. F. Sichel.

----

! September

| {{flag|Kingdom of Hanover}}

| Großefehn

| Count Bismarck

| For private owner.{{Cite news |title=Hanover |newspaper=Daily News |location=London |date=3 October 1866 |issue=6369 }}

----

! September

| {{flagcountry|UKGBI}}

| Messrs. J. & R. Swan

| Kelvin Dock

| {{SS|Fitzwilliam|1866|2}}

| For Messrs. Burrell & M'Laren.

----

! September

| {{flagcountry|UKGBI}}

| J. & E. Lumsden

| Pallion

| Flora

| For G. Sinclair.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland068.html |title=SHIPBUILDERS - PAGE 22 |publisher=Searle |accessdate=6 February 2024 }}

----

! September

| {{flagcountry|UKGBI}}

| Messrs. A. & J. Inglis

| Pointhouse

| {{SS|Jason|1866|2}}

| For Koninklijke Nederlands Stoomboot-Maatschappij.

----

! September

| {{flag|United States|1865}}

| Boston, Massachusetts

| Morning Star

| Missionary ship

| For private owner.{{Cite news |title=Sunday Schools' Ships |newspaper=Daily News |location=London |date=1 December 1866 |issue=6420 }}

----

! September

| {{flagcountry|UKGBI}}

| Charles M'Grory

| Killybegs

| Pandora

| For Mr. Blain.{{Cite news |title=(untitled) |newspaper=Freeman's Journal |location=Dublin |date=6 September 1866 }}

----

! September

| {{flagcountry|UKGBI}}

| {{SS|Surprise|1866|2}}

| Tender

| For private owner.

----

! September

| {{flagcountry|UKGBI}}

| {{SS|Sutherland|1866|2}}

| For Messrs. J. Warrack & Co.

----

! 7 October

| {{flag|United States|1865}}

| Henry Steers

| Greenpoint, New York

| {{ship

Francis Perkins|pilot boat|2}}

| For New York Pilots' Association.

----

! 7 October

| {{flagcountry|UKGBI}}

| Preston Iron Ship Building Company

| Pirapama

| For private owner.{{Cite news |title=Launch |newspaper=Preston Chronicle |location=Preston |date=13 October 1866 |issue=2884 }}

----

! 8 October

| {{flagcountry|UKGBI}}

| Messrs. R. Duncan & Co.

| {{SS|Pareora|1866|2}}

| For Messrs. Potter, Wilson & Co.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=15 October 1866 |page=9 |issue=25629 |column=C }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=9 October 1866 |issue=8349 }}

----

! 9 October

| {{flagcountry|UKGBI}}

| Messrs. Laird & Sons

| {{HNLMS|Prins Hendrik der Nederlanden

2}}

| Ironclad ramtorenschip

| For Royal Netherlands Navy.

----

! 9 October

| {{flagcountry|UKGBI}}

| Aitken & Mansel

| The Bruce

| For British Shipowners Company.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=10 October 1866 |issue=8350 }}{{cite web |url=https://www.clydeships.co.uk/view.php?year_built=&builder=&a1Page=2&ref=652&vessel=THE+BRUCE |title=The Bruce |publisher=Shipping & Shipbuilding Research Trust |accessdate=12 February 2024 }}

----

! 11 October

| {{flagcountry|UKGBI}}

| Messrs. T. Wingate & Col

| {{SS|Helen Macgregor|1866|2}}

| For Charles V. Robinson.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=20 October 1866 |page=7 |issue=25634 |column=F }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=12 October 1866 |issue=8352 }}

----

! 18 October

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Alvarade|1866|2}}

| Sreamship

| For Messrs. M'Andrew & Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=19 October 1866 |issue=8358 }}

----

! 23 October

| {{flagcountry|UKGBI}}

| Pembroke Dockyard

| {{HMS|Daphne|1866|2}}

| {{sclass|Amazon|sloop}}

| For Royal Navy.

----

! 24 October

| {{flagcountry|UKGBI}}

| Messrs. Gourlay Bros. & Co.

| Dundee

| {{SS|Granton|1866|2}}

| For General Steam Navigation Company.{{Cite news |title=Dundee - Launch of a Steamer |newspaper=Caledonian Mercury |location=Edinburgh |date=25 October 1866 |issue=24123 }}

----

! 24 October

| {{flagcountry|UKGBI}}

| William Allsup

| Lucy Bazley

| For Thomas Dawson.{{Cite news |title=Launch |newspaper=Preston Chronicle |location=Preston |date=27 October 1866 |issue=2886 }}

----

! 24 October

| {{flagcountry|UKGBI}}

| Messrs. T. Campbell & Co.

| Great Grimsby

| River Queen

| For J. Westcote.{{Cite news |title=Grimsby |newspaper=Leeds Mercury |location=Leeds |date=25 October 1866 |issue=8903 }}

----

! 24 October

| {{flagcountry|UKGBI}}

| Westaway

| Lowestoft

| Rover's Bride

| For William Rose.{{Cite news |title=Lowestoft |newspaper=Ipswich Journal |location=Ipswich |date=27 October 1866 |issue=6652 }}

----

! 24 October

| {{flagcountry|UKGBI}}

| Messrs. Charles Connell & Co.

| Wemyss Castle

| For Castle Line.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=25 October 1866 |issue=8363 }}

----

! 25 October

| {{flagcountry|UKGBI}}

| Humber Iron Works & Shipbuilding Co.

| Hull

| The Foundling

| For Edward Bates.{{Cite news |title=Local Intelligence |newspaper=Hull Packet |location=Hull |date=2 November 1866 |issue=4267 }}{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=12630&ref=236389&vessel=THE+FOUNDLING |title=The Foundling |publisher=Shipping & Shipbuilding Research Trust |accessdate=27 September 2024 }}

----

! 25 October

| {{flagcountry|UKGBI}}

| John Dalton

| Great Grimsby

| Kangaroo

| For Messrs. Cassell & Co.

----

! 25 October

| {{flagcountry|UKGBI}}

| Messrs. Dodds & Co

| Great Grimsby

| Richard Cobden

| For W. W. Dawson.

----

! 25 October

| {{flagcountry|UKGBI}}

| Lune Ship Building Co

| Lancaster

| The Underley

| For Lancaster Shipowners' Co.{{Cite news |title=The Launch of "The Underley" |newspaper=Preston Chronicle |location=Preston |date=27 October 1866 |issue=2886 }}

----

! 25 October

| {{flagcountry|UKGBI}}

| Hugh Singleton

| Fleetwood

| William John

| For Messrs. Summer & Co.{{Cite news |title=The Fylde |newspaper=Preston Chronicle |location=Preston |date=27 October 1866 |issue=2886 }}

----

! 26 October

| {{flagcountry|UKGBI}}

| Messrs. J. & G. Thomson

| {{SS|Salto|1866|2}}

| For Compagnia Uruguay.{{Cite news |title=Launch of the Salto |newspaper=Glasgow Herald |location=Glasgow |date=27 October 1866 |issue=8365 }}

----

! 27 October

| {{flagcountry|UKGBI}}

| G.S. Moore & Co

| Elmstone

| Composite Barque

----

! 27 October

| {{flagcountry|UKGBI}}

| Messrs. Bowdler, Chaffer & Co.

| {{SS|Lindsay|1866|2}}

| For Wigan Coal & Iron Co.{{Cite news |title=Launch of a Screw-steamer at Seacombe |newspaper=Liverpool Mercury |location=Liverpool |date=29 October 1866 |issue=5850 }}

----

! 27 October

| {{flagcountry|UKGBI}}

| Messrs. Kirkpatrick, M'Intyre & Co.

| River Avon

| For Messrs. Hargrove, Ferguson & Co.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=29 October 1866 |issue=8366 }}

----

! October

| {{flagcountry|UKGBI}}

| Messrs. John Reid & Co.

| Britomast

| For Henry Bowring.{{Cite news |title=Shipbuilding on the Clyde for Liverpool Owners |newspaper=Glasgow Herald |location=Glasgow |date=9 November 1866 |issue=8376 }}

----

! October

| {{flagcountry|UKGBI}}

| Messrs. C. M. Palmer & Co. (limiter)

| Jarrow

| {{SS|Chicago|1866|2}}

| For Liverpool and Great Western Steam Shipping Co.{{Cite news |title=Ship Launch at Jarrow |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=19 October 1866 |issue=10008 }}

----

! October

| {{flagcountry|UKGBI}}

| W. H. Pearson

| Cydonia

| Snow

| For Robert Fairley.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland066.html |title=SHIPBUILDERS - PAGE 24 |publisher=Searle |accessdate=6 February 2024 }}

----

! October

| {{flagcountry|UKGBI}}

| Crinson

| Hylton

| Emmaus

| For J. Humphrey.

----

! October

| {{flagicon|UKGBI}} Province of Canada

| Messrs. Dunn & Samson

| Quebec

| Fiona

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Glasgow Herald |location=Glasgow |date=25 December 1866 |issue=8415 }}

----

! October

| {{flagcountry|UKGBI}}

| Messrs. Randolph, Elder & Co.

| {{SS|Sutosa|1866|2}}

| For British India Steam Navigation Company.

----

! October

| {{flagcountry|UKGBI}}

| {{SS|Union|1866|2}}

| For Norddeutsche Lloyd.

----

! October

| {{flagicon|UKGBI}} Unknown

| Zuleika

| Brigantine

| For Private owner.{{Cite news |title=Advertisements & Notices |newspaper=Belfast News-Letter |location=Belfast |date=2 June 1881 |issue=20592 }}

----

! 2 November

| {{flagcountry|UKGBI}}

| {{SS|Cumberland|1866|2}}

| For Liverpool and Hamburg Steam Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=3 November 1866 |issue=8371 }}

----

! 5 November

| {{flagcountry|UKGBI}}

| Messrs. Tod & MacGregor

| {{ship|ST|Diamond|1866|2}}

| Tug

| For River Towing Co.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=7 November 1866 |issue=8374 }}

----

! 8 November

| {{flagcountry|UKGBI}}

| Partick

| {{SS|City of Antwerp|1866|2}}

| For Inman Line.{{Cite news |title=Launches |newspaper=Glasgow Herald |location=Glasgow |date=9 November 1866 |issue=8376 }}

----

! 8 November

| {{flag|United States|1865}}

| Henry Steers

| Greenpoint, New York

| {{SS|Great Republic|1866|2}}

| For Pacific Mail Steamship Company.

----

! 8 November

| {{flagcountry|UKGBI}}

| Messrs. Alexander Stephen & Sons

| Kelvinhaugh, Glasgow

| {{SS|Acadia|1866|2}}

| For Messrs. Handyside & Henderson.

----

! 8 November

| {{flagcountry|UKGBI}}

| Messrs. David Burns & Co.

| Golden Sheaf

| Brig

| For Herman Ganson.{{Cite news |title=Launch |newspaper=Aberdeen Journal |location=Aberdeen |date=14 November 1866 |issue=6201 }}

----

! 8 November

| {{flagcountry|UKGBI}}

| Messrs. Robert Duncan & Co.

| Helen Denny

| For Messrs. Partrick Henderson & Co.

----

! 8 November

| {{flagcountry|UKGBI}}

| London and Glasgow Engineering and Shipbuilding Company (Limited)

| {{SS|Scanderia|1866|2}}

| For Anglo-Egyptioan Navigation Company (Limited).

----

! 20 November

| {{flagcountry|UKGBI}}

| Messrs. Dobie & Co.

| {{SS|Le Colon|1866|2}}

| For Compagnie Anonyme de Navigation Mixte de Marseille.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=1 December 1866 |page=10 |issue=25670 |column=C }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=21 November 1866 |issue=8386 }}

----

! 24 November

| {{flagcountry|UKGBI}}

| W. Pile

| {{SS|Charles Howard|1866|2}}

| For Ryde & Co.{{cite web |url=http://www.searlecanada.org/sunderland/images17/CharlesHowardStudyBillSwiftMay182017.pdf |title=SS Charles Howard |first=Bill |last=Swift |publisher=Searle |accessdate=6 February 2024}}

----

! 24 November

| {{flagcountry|UKGBI}}

| Messrs. Robert Duncan & Co.

| {{PS|Earl of Dublin|1866|2}}

| For Dublin & Glasgow Steampacket Co.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=28 November 1866 |issue=8392 }}

----

! 24 November

| {{flagcountry|UKGBI}}

| Messrs. Laird Bros.

| {{HMS|Euphrates|1866|2}}

| {{sclass|Euphrates|troopship}}

| For Royal Navy.

----

! 24 November

| {{flagcountry|UKGBI}}

| Deptford Dockyard

| {{HMS|Nymphe|1866|2}}

| {{sclass|Amazon|sloop}}

| For Royal Navy.

----

! 27 November

| {{flagcountry|UKGBI}}

| Mackern

| {{SS|Paquete de Maule|1866|2}}

| For Messrs. Graham, Rowe & Co.{{Cite news |title=Another Iron Steamer Launched |newspaper=Preston Chronicle |location=Preston |date=1 December 1866 |issue=2891 }}

----

! November

| {{flagcountry|UKGBI}}

| Astarte

| For private owner.{{Cite news |title=Advertisements & Notices |newspaper=Liverpool Mercury |location=Liverpool |date=31 July 1867 |issue=6086 }}

----

! November

| {{flagcountry|UKGBI}}

| Messrs. Richardson, Duck & Co.

| Stockton-on-Tees

| {{SS|Bolivar No. 2|1866|2}}

| For Bolivian Government.{{Cite news |title=The Seizure of the Alleged Fenian Ship of War |newspaper=Caledonian Mercury |location=Edinburgh |date=13 December 1866 |issue=24165 }}

----

! November

| {{flagcountry|UKGBI}}

| Messrs. W. Denny & Bros.

| {{SS|Cairo|1866|2}}

| For private owner.

----

! November

| {{flagcountry|UKGBI}}

| William Watson

| Quinteros

| Alexander Stephen and Sons

| For J. Beynon.

----

! 6 December

| {{flagcountry|UKGBI}}

| Dundee

| {{ship

Nimrod|ship|2}}

| Whaler

| For Thomas Job.

----

! 7 December

| {{flagcountry|UKGBI}}

| London and Glasgow Engineering and Iron Shipbuilding Company (Limited)

| {{SS|Minia|1866|2}}

| For private owner.{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=8 December 1866 |issue=8401 }}

----

! 9 December

| {{flag|United States|1865}}

| New York

| {{SS|Celestial Empire|1866|2}}

| For Pacific Mail Steamship Company.{{Cite news |title=(untitled) |newspaper=Freeman's Journal |location=Dublin |date=26 December 1866 }}

----

! 8 December

| {{flagcountry|UKGBI}}

| {{SS|Hammonia|1866|2}}

| For Hamburg-Amerikanische Packetfahrt-Aktien-Gesellschaft.{{Cite newspaper The Times |title=Steam Shipbuilding on the Clyde |date=15 December 1866 |page=11 |issue=25682 |column=F }}{{Cite news |title=Launch |newspaper=Glasgow Herald |location=Glasgow |date=10 December 1866 |issue=8402 }}

----

! 8 December

| {{flagcountry|UKGBI}}

| Thames Shipbuilding Co.

| Leamouth

| {{HMS|Malabar|1866|2}}

| {{sclass|Euphrates|troopship}}

| For Royal Navy.

----

! December

| {{Flagcountry|UKGBI}}

| Mr. Bishton

| Chester

| Excelsior

| Newburyport, Massachusetts

| For Henry Craven.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=11884&ref=229751&vessel=EXCELSIOR |title=Excelsior |publisher=Shipping & Shipbuilding Research Trust |accessdate=29 September 2024 }}

----

! December

| {{flag|United States|1865}}

| {{SS|Ontario|1866|2}}

| For American Steamship Co.{{Cite news |title=(untitled) |newspaper=Daily News |location=London |date=14 December 1866 |issue=6431 }}

----

! Unknown date

| {{flagicon|UKGBI}} Victoria

| Echuca

| {{PS|Adelaide

2}}

| For J. C. Grassey & partners.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Mills

| Agatha

| For Hankey & Co.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland124.html |title=SHIPS BUILT IN THE 1860s |publisher=Searle |accessdate=6 February 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson Jr.

| Aldebaran

| For Penney & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Doxford

| Alice Scott

| For D. C. Scott.

----

! Unknown date

| {{Flag|United States|1863}}

| Thomas Arnold of Gallagher & Company

| Marine City, Michigan

| {{SS|Alpena

2}}

| For Gardner, Ward & Gallagher.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gibbon & Nichol

| Alswold

| Brig

| For Bennett & Co.

----

! Unknown date

| {{Flagcountry|UKGBI}}

| {{PS|Anglia|1866|2}}

| Paddle tug

| For William Watkins Ltd.{{sfn|Mitchell|Sawyer|1990|p=321}}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson Jr.

| Amadine

| For M. Atkinson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson Jr.

| Ancestor

| For Culliford & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Barkes

| Ancient Promise

| For Alder & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Barter

| Brixham

| Annie

| For William Varwell Jr. and others.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=12410&a1Page=2&ref=234229&vessel=ANNIE |title=Annie |publisher=Shipping & Shipbuilding Research Trust |accessdate=27 September 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Scott

| Annie Scott

| Brigantine

| For D. C. Scott.

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Peverall

| Apollo

| For John Evans.

----

! Unknown date

| {{flagcountry|UKGBI}}

| B. Hodgson

| Arabella

| For Hick & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gardner

| Araunah

| For T. B. Walker.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland058.html |title=SHIPBUILDERS - PAGE 16 |publisher=Searle |accessdate=6 February 2024 }}

----

! Unknown date

| {{Flagcountry|UKGBI}}

| Thomas Bilbe & Co.

| Rotherhithe

| Argonaut

| For Thomas Bilbe & Co.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10951&ref=219328&vessel=ARGONAUT |title=Argonaut |publisher=Shipping & Shipbuilding Research Trust |accessdate=29 September 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson & Son

| Aurea

| For Tully & Son.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson & Sons

| Aurora

| For Mr. Walker.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Robinson

| Belle Flower

| Akers Mekaniske Verksted

| For Brown & Co.

----

! Unknown date

| {{flag|Norway|1844}}

| Fossveien

| {{SS|Bjoren

2}}

| Steamboat

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| R. Pace

| Britannia

| For W. Davison.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Briggs

| Bryn Ivor

| For G. Jones.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Ravenhill

| London

| {{ship|Chilean corvette|Chacabuco|1866|2}}

| Corvette

| For Chilean Navy.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Hardie

| Clara Lamb

| For Doward Dickson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Gardner

| Cleta

| For John Hay.

----

! Unknown date

| {{flagcountry|UKGBI}}

| George Barker

| Colorado

| Brig

| For Barwick & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Sykes, Talbot & Sykes

| Concordia

| Snow

| For Clark & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Hardie

| Coronel

| For W. Nichol.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Robinson

| Coronella

| For J. Robinson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Crown

| Courier

| Brig

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Peverall

| Czarewitch

| For Adamson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Richardson

| Delaval

| For T. Eccles.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Lister

| Dignus

| For Lister & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Peter Austin

| Drydens

| For J. Dryden.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| Durham

| For John Temperley.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Hardie

| Edeline

| For William Ord & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| George Barker

| Eden

| For Rankin & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Walshaw & Whelan

| Edwin Bassett

| For H. Edwards.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Messrs. A. Hall & Sons

| Electra

| For Messrs. Shaw. Savill & Co.{{Cite newspaper The Times |title=(advertisement) |date=19 May 1866 |page=2 |issue=25502 |column=C }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Peverall

| Elizabeth A. Oliver

| For Wilson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Lister

| Ellen

| Snow

| For Peacock Bros.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gardner

| Emilia Lamb

| For Doward Dickson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Hardie

| Emmeline

| For Ord & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gibbon & Nicho

| Envoy

| Snow

| For J. Short.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Pile

| Ethel

| For Fenwick & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Short

| Ettie

| For E. Knight.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| Euclid

| For G. Clark.

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Pickersgill

| Fairy

| For Harper & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| D. A. Douglas

| Fides

| For Dobson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Crown

| Southwick

| Fido

| Snow

| For G. Wilkin.

----

! Unknown date

| {{flag|Chile}}

| Karl Flach

| Valparaíso

| {{ship

Flach|submarine|2}}

| Submarine

| For Chilean Government.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Barkes

| Florence

| For D. Jenkins.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. Metcalf

| Floresta

| For Watson & Sons.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Sykes, Talbot & Sykes

| Friends

| For Taylor & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| River Thames

| Gainsborough

| For private owner.{{Cite newspaper The Times |title=(advertisement) |date=22 October 1866 |page=1 |issue=25635 |column=E }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Messrs. Richardson, Duck & Co

| Hartlepool

| {{SS|Galicia|1866|2}}

| For private owner.{{Cite news |title=A New Steamer Ashore at Hartlepool |newspaper=Leeds Mercury |location=Leeds |date=18 June 1866 |issue=8792 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Richard Thompson

| Galilee

| For Mr Richardson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Benjamin Hodgson & Co.

| Gem

| For Walker & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Moore

| George Shotton

| For E. Shotton.

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Thompson

| Gladstone

| For T. Rudd.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Thames Graving Dock Company

| London

| {{SS|Great Yarmouth|1866|2}}

| For Great Eastern Railway.

----

! Unknown date

| {{flagcountry|UKGBI}}

| {{SS|Guadiana|1866|2}}

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Adamson

| Guam

| Brig

| For W. Adamson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Messrs. Brodie & Maxwell

| Coble Dene

| {{ship|ST|Guide|1866|2}}

| Tug

| For Mr. Chisholm.{{Cite news |title=Collision off the Tyne |newspaper=Newcastle Courant |location=Newcastle upon Tynhe |date= March 1867 |issue=10027 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. M. Reed

| Gulnare

| For Robson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| {{SS|Hampshire|1866|2}}

| For Hill & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gardner

| Henry Fenwick

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Plymouth

| {{ship|Brazilian ironclad|Herval

2}}

| {{sclass|Mariz e Barros|ironclad}}

| For Imperial Brazilian Navy.

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Wood

| Hofflun

| For G. Wood.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Briggs

| Holly Bough

| For Smith & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Chilton

| Hot Bank

| For Robinson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| {{SS|Houghton|1866|2}}

| For Morton & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson & Sons

| Iduna

| For Mr. Thompson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Robinson

| Indian Empire

| For Mr. Brewis.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Thomas Bevan

| Northfleet

| Industry

| Thames barge

| For John Messer Knight and Thomas Bevan.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=12140&ref=231632&vessel=INDUSTRY |title=Industry |publisher=Shipping & Shipbuilding Research Trust |accessdate=29 September 2024 }}

----

! Unknown date

| {{flag|United States|1865}}

| Augustus Price and Cornelius Scranton Bushnell

| Intelligent Whale

| Submarine

| For American Submarine Company.

----

! Unknown date

| {{flagcountry|UKGBI}}

| {{SS|Iona|1866|2}}

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Messrs. Cox & Son

| Bideford

| Iota

| For Messrs. Bath.{{Cite news |title=Swansea |newspaper=Bristol Mercury |location=Bristol |date=23 June 1866 |issue=3977 }}

----

! Unknown date

| {{flag|United States|1865}}

| Port Huron, Michigan

| {{ship

Iris|1866 ship|2}}

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| Iron Age

| For T. R. Oswald.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Pace

| Jane Alice

| Brig

| For Thompson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Richard Thompson

| Jane Emily

| For Brewis & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gardner

| Jane Fenwick

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Gardner

| Jane Lamb

| For Doward Dickson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Hempstead Barnes

| Gloucester

| Jane T. Woodall

| For James Fisher.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=11873&ref=235105&vessel=JANE+T.+WOODALL |title=Jane T. Woodall |publisher=Shipping & Shipbuilding Research Trust |accessdate=26 September 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Doxford

| Jessica

| For D. C. Scott.

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Bartram

| Kebroyd

| For W. Bedford.

----

! Unknown date

| {{flagcountry|UKGBI}}

| B. hodgson

| Kedron

| For Richardson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Laing

| {{SS|Kelloe|1866|2}}

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Iliff & Mounsey

| {{SS|Lasborough|1866|2}}

| For R. Gayner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Doxford

| Lavinia

| For D. Scott.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Lieutenant

| For George Duncan & Co.{{Cite newspaper The Times |title=(advertisement) |date=14 November 1866 |page=2 |issue=25655 |column=A }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Taylor & Scoulter

| Life Brigade

| For J. Avery.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Laing

| Livonia

| For Norwood & Co.

----

! Unknown date

| {{Flagicon|UKGBI}} Jersey

| Charles W. Aubin

| Jersey

| London

| Ketch

| For J. S. Renouf.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10885&ref=230630&vessel=LONDON |title=London |publisher=Shipping & Shipbuilding Research Trust |accessdate=25 September 2024 }}

----

! Unknown date

| {{flag|Chile}}

| Brunswick Peninsula

| {{ship|Chilean frigate|Lota|1866|2}}

| Frigate

| For Frederico Peede.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Denniston

| Lowestoft

| For W. Balls.

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Doxford

| Loyal Sam

| For S. Johnston.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Haswell

| Magnet

| For W. Ord Jr.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. and G. Rennie

| {{ship|Brazilian ironclad|Mariz e Barros

2}}

| {{sclass|Mariz e Barros|ironclad}}

| For Imperial Brazilian Navy.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson Jr.

| Mary Ann Annison

| For R. Annison.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Liddle & Sutcliffe

| Mary Elizabeth

| For Buttler & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson Jr.

| Mary Nelson

| For H. Nelson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Marshall Bros.

| Newcastle upon Tyne

| {{PS|Mayflower|1866|2}}

| For Solent Steam Packet Company.

----

! Unknown date

| {{flag|United States|1865}}

| James Tetlow

| Chelsea, Massachusetts

| {{USS|Mayflower|1866|2}}

| Tug

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Pickersgill

| Meridian

| For J. Gibson

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| Mersey

| For Powell & Co.

---

! Unknown date

| {{flagcountry|UKGBI}}

| George Butchard

| Gravesend

| {{PS|Milton|1866|2}}

| Paddle tug

| For Telegraph Towing Co.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10472&ref=222732&vessel=MILTON |title=Milton |publisher=Shipping and Shipbuilding Research Trust |accessdate=7 October 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| John C. Trullinger

| Sucker Lake, Oregon

| {{ship

Minnehaha|sternwheeler|2}}

| Sternwheeler

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| {{PS|Murray|1866|2}}

| For private owner.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. H. Pearson

| Myra

| Brig

| For Hall & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Mills

| Nant-y-glo

| For J. Pegg.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Laing

| Narva

| For Mr. Norwood.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Messrs. Ruthven

| Edinburgh

| {{SS|Nautilus|1866|2}}

| For D. Ruthven. Propelled by jet of water.{{cite journal |url=https://play.google.com/books/reader?id=XwgAAAAAMAAJ&pg=GBS.PA203&hl=en_GB |title=The History of Paddle-Wheel Steam Navigation |journal=The Marine Engineer |location=London |date=1 November 1885 |pages=187-93 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Chilton

| Nenthorn

| Akers Mekaniske Verksted

| For A. Fairweather.

----

! Unknown date

| {{flag|Norway|1844}}

| Christiania

| {{SS|Nøkken

2}}

| For D. Hegermann.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Laing

| {{SS|Norfolk|1866|2}}

| For R. Young.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Walker & Carr

| Ocean Drift

| For Bell & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Ravenhill

| {{ship|Chilean corvette|O'Higgins|1866|2}}

| Corvette

| For Chilean Navy.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Naisby

| Hylton

| Orion

| For Mears & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Barter

| Brixham

| Ovington

| Fishing trawler

| For Edward Williams.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=12410&a1Page=2&ref=235794&vessel=OVINGTON |title=Ovington |publisher=Shipping & Shipbuilding Research Trust |accessdate=27 September 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. & J. Gibbon

| Pansy

| Charlestown, Massachusetts

| For Potts & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Edward Aldous

| Brightlingsea

| Perfect

| Fishing vessel

| For Robert Cross.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=12287&ref=233030&vessel=PERFECT |title=Perfect |publisher=Shipping & Shipbuilding Research Trust |accessdate=23 September 2024 }}

----

! Unknown date

| {{flag|United States|1865}}

| Edward A. Costigan

| Pet

| For Joseph Henderson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Taylor & Scouler

| Petunia

| For Barrass Bros.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Liddle & Sutcliffe

| Pilgrim

| Brig

| For .

----

! Unknown date

| {{flagcountry|UKGBI}}

| Westacott

| Appledore

| Professor Airey

| For private owner.{{Cite news |title=Appledore |newspaper=Trewman's Exeter Flying Post |location=Exeter |date=20 June 1866 |issue=5221 }}

----

! Unknown date

| {{Flagicon|UKGBI}} Jersey

| Charles W. Aubin

| Jersey

| Rapid

| Ketch

| For Philip Daniel Payn.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=10885&ref=231227&vessel=RAPID |title=Rapid |publisher=Shipping & Shipbuilding Research Trust |accessdate=25 September 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Banks Jr.

| Kilpin Pike

| Rattler

| Fishing vessel

| For John O. Hawke.{{cite web |url=http://shippingandshipbuilding.uk/view.php?year_built=&builder=11625&ref=233049&vessel=RATTLER |title=Rattler |publisher=Shipping & Shipbuilding Research Trust |accessdate=26 September 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Steele & Co.

| Cartsdyke

| {{SS|Ravenscrag

2}}

| For J. & A. Allen & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Thompson

| Red Gauntlet

| For Graham & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. R. Oswald

| Rinaldo

| For Swainston & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Pickersgill

| Rio Grande

| For Pickersgill & Co.

----

! Unknown date

| {{flag|United States|1865}}

| New Albany, Indiana

| {{ship

Robert E. Lee|steamboat|2}}

| For John W. Cannon.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Liddle & Sutcliffe

| Rosario

| For Morrison & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Reay & Naisby

| Rosy Morn

| For Beynin & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Robinson

| Royal Berkshire

| For Mr. Flanagan.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Denniston

| Saffron

| For Watson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| L. Wheatley

| Saint Cuthbert

| For Dent & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Richard Thompson

| Deptford

| Sea Swallow

| For W. Thompson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Pile

| Serena

| For Madge & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Robinson

| Shincliffe

| For Nicholson & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Rawson & Watdon

| Silksworth

| For G. Watson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Wood

| Sjomanden

| For Monsen & Co.

----

! Unknown date

| {{flag|Norway|1844}}

| {{HNoMS|Skorpionen

2}}

| {{sclass|Skorpionen|monitor|1}}

| For Royal Norwegian Navy.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Adamson

| Sooloo

| For W. Adamson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Messrs. L. Hill & Co.

| {{SS|Souvenir|1866|2}}

| For Messrs. Sydney & Wiggins.{{Cite news |title=Steam Shipbuilding on the Clyde |newspaper=Caledonian Mercury |location=Edinburgh |date=2 June 1866 |issue=24001 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| L. Wheatley

| Sparkle

| For Mr. Humphry.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Robinson

| Stag

| For J. Robinson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson & Sons

| Star

| For W. Kish.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Smurthwaite

| Stonehouse

| For J. Morison.

----

! Unknown date

| {{flagcountry|UKGBI}}

| James Laing

| Sumatra

| For Ingham & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| George Barker

| Sussex

| For G. & J. Robinson.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. H. Pearson

| Thalia

| For "L'chamim".

----

! Unknown date

| {{flagcountry|UKGBI}}

| Pile, Hay & Co

| {{SS|Thetis|1866|2}}

| For Ryde & Co.

----

! Unknown date

| {{flag|Siam|1855}}

| Bangkok

| {{ship

Thoon Kramom|1866 ship|2}}

| For Siamese Government.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. H. Pearson

| Thornton

| For Dixon & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Walker & Carr

| Threepwood

| For J. White.

----

! Unknown date

| {{flagcountry|UKGBI}}

| T. Stonehouse

| Three Sisters

| Snow

| For T. Riley.

----

! Unknown date

| {{flagcountry|UKGBI}}

| R. H. Potts & Bros.

| Thrush

| For Potts Bros.

----

! Unknown date

| {{flagcountry|UKGBI}}

| W. Pile

| Tongoy

| For Madge & Co.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland075.html |title=SHIPBUILDERS - PAGE 26 |publisher=Searle |accessdate=6 February 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| William Doxford

| Trinidad

| For Olano & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| J. Robinson

| Troas

| For Foreman & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| John Thompson

| Valetta

| For Forster & Co.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland092.html |title=SHIPBUILDERS - PAGE 35 |publisher=Searle |accessdate=6 February 2024 }}

----

! Unknown date

| {{flagcountry|UKGBI}}

| Robert Thompson Jr.

| Velocity

| Alexander Peter Cockburn

| For T. Todd.

----

! Unknown date

| {{flagicon|UKGBI}} Province of Canada

| Lake Muskoka

| {{ship

Wenonah|1866|2}}

| For Muskoka Navigation Company.

----

! Unknown date

| {{flagcountry|UKGBI}}

| G. Short

| Woodbine

| For Doxford & Co.

----

! Unknown date

| {{flagcountry|UKGBI}}

| Liddle & Sutcliffe

| Young Jessey