List of ship launches in 1820

! 3 January

| {{flagcountry|UKGBI}}

| George Gooch

| Rotherhithe

| {{ship

| Merchantman

| For Scott& Co.

! January

| {{flagcountry|UKGBI}}

| Wilson & Co.

| Liverpool

| Helen Jane

| East Indiaman

| For Messrs. Gladstone & Co.

! January

| {{flagcountry|UKGBI}}

| Mottershead & Heyes

| Liverpool

| Huskisson

| East Indiaman

| For Messrs. Tobins & Co.{{Cite news |title=(untitled) |newspaper=Liverpool Mercury |location=Liverpool |date=21 January 1820 |issue=448 }}

! January

| {{flagcountry|UKGBI}}

| Mulby and Evans

| Liverpool

| Packet

| Merchantman

| For Messrs. Kerslake & Co.

! 2 February

| {{flagcountry|UKGBI}}

| J. & W. Quirk

| Liverpool

| George the Fourth

| Brig

| For private owner.{{Cite news |title=(untitled) |newspaper=Liverpool Mercury |location=Liverpool |date=4 February 1820 |issue=450 }}

! February

| {{flagcountry|UKGBI}}

| J Hepton

| Sunderland

| Albion

| Brig

| For J. Hepton.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland120.html |title=SHIPS BUILT IN THE 1820s |publisher=Searle |accessdate=19 September 2023 }}{{cite web |url=http://www.searlecanada.org/sunderland/sunderland059.html |title=SHIPBUILDERS - PAGE 17 |publisher=Searle |accessdate=19 September 2023 }}

! 10 March

| {{flagcountry|UKGBI}}

| Ritchie and McLaine

| Belfast

| {{SS|Belfast|1820|2}}

| Steamship

| For George Langtry.{{Cite news |title=Private Correspondence |newspaper=Caledonian Mercury |location=Edinburgh |date=27 March 1820 |issue=15377 }}

! 16 March

| {{flagcountry|UKGBI}}

| Henry Canham

| Woolwich Dockyard

| {{HMS|Hawke|1820|2}}

| {{sclass|Black Prince|ship of the line}}

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=4657 |title=British Third Rate ship of the line 'Hawke' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 24 March

| {{flagcountry|UKGBI}}

| John Scott & Sons.

| Greenock

| {{ship

| Merchantman

| For John Scott & Sons.

! March

| {{flagcountry|UKGBI}}

| W. & J. Pile

| Sunderland

| Jesmond

| Snow

| For Mr. Anderson.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland075.html |title=SHIPBUILDERS - PAGE 26 |publisher=Searle |accessdate=19 September 2023 }}

! 25 April

| {{flagcountry|UKGBI}}

| White

| West Cowes

| Unnamed

| Brig

| For private owner.{{Cite news |title=Southampton, Saturday, May 6, 1820 |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=8 May 1820 |issue=1074 }}

! April

| {{flag|United States|1818}}

|

|

| John and William

| Schooner

| For private owner.{{Cite newspaper The Times |title=(untitled) |date=13 November 1820 |page=3 |issue=11089 |column=A }}

! 1 May

| {{flagcountry|UKGBI}}

|

| Emsworth

| Henry

| Schooner

| For private owner.{{Cite news |title=Postscript |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=1 May 1820 |issue=1073 }}

! 3 May

| {{flagcountry|UKGBI}}

| White

| West Cowes

| Trinity Buoy Yacht

| Yacht

| For private owner.

! 4 May

| {{flagcountry|Russian Empire}}

|

| Kazan

| {{ship|Russian ship|Gerkules|1820|2}}

| {{sclass|Ariadna|corvette}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21739 |title=Russian corvette 'Gerkules' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 5 May

| {{flagcountry|Russian Empire}}

| B. F. Stoke

| Saint Petersburg

| {{ship|Russian ship|Aiaks|1820|2}}

| {{sclass|Aiaks|sloop}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21257 |title=Russian sloop 'Aiaks' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 5 May

| {{flagcountry|Russian Empire}}

| B. F. Stoke

| Saint Petersburg

| {{ship|Russian ship|Ida|1820|2}}

| {{sclass|Aiaks|sloop}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21258 |title=Russian sloop 'Ida' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 7 May

| {{flagcountry|Russian Empire}}

| I. Y. Osminin

| Sevastopol

| {{ship|Russian brig|Merkurii

| Brig

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21698 |title=Russian brig 'Merkurii' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 11 May

| {{flagcountry|UKGBI}}

|

| Woolwich Dockyard

| {{HMS|Beagle

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.

! 13 May

| {{flagcountry|UKGBI}}

|

| Woolwich Dockyard

| {{HMS|Barracouta|1820|2}}

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=3242 |title=British sloop 'Barracouta' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 17 May

| {{flag|France}}

|

| Bayonne

| {{ship|French ship|La Béarnaise|1820|2}}

| {{sclass|Iris|schooner}}

| For French Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=30528 |title=French schooner 'La Béarnaise' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 24 May

| {{flagcountry|Russian Empire}}

| A. I. Melikhov

| Nicholaieff

| {{ship|Russian ship|Ganimed|1820|2}}

| Brig

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21699 |title=Russian brig 'Ganimed' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 24 May

| {{flagcountry|Russian Empire}}

| A. I. Melikhov

| Nicholaieff

| {{ship|Russian ship|Nord Adler|1820|2}}

| Third rate

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=10736 |title=Russian Third Rate ship of the line 'Nord Adler' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 30 May

| {{flag|United States|1818}}

| Henry Eckford

| Brooklyn Navy Yard

| {{USS|Ohio|1820|2}}

| Third rate

| For United States Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=2383 |title=American Third Rate ship of the line 'Ohio' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 30 May

| {{flagcountry|UKGBI}}

|

| Portsmouth Dockyard

| {{ship|HMY|Prince Regent|1820|2}}

| Royal yacht

| For George IV.{{Cite news |title=The Mirror of Fashion |newspaper=Morning Chronicle |location=London |date=6 June 1820 |issue=15946 }}

! 31 May

| {{flag|France}}

|

| Bayonne

| {{ship|French ship|L'Hirondelle|1820|2}}

| Schooner

| For French Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=30529 |title=French schooner 'L'Hirondelle' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 31 May

| {{flagcountry|Russian Empire}}

| A. M. Kurohkin

| Archangelsk

| {{ship|Russian frigate|Merkurii|1820|2}}

| {{sclass|Spechnyi|frigate}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21177 |title=Russian Fifth Rate frigate 'Merkurii' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! May

| {{flagcountry|UKGBI}}

| J. Hall

| Sunderland

| Albion

| Brig

| For Hall & Co.

! May

| {{flagcountry|UKGBI}}

|

|

| Industry

| Schooner

| For private owner.{{Cite news |title=Advertisements & Notices- |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=19 August 1820 |issue=7506 }}

! 8 June

| {{flagcountry|Russian Empire}}

| Y. A. Kolodkin

| Lodeynoye Pole

| {{ship|Russian ship|Ladoga|1820|2}}

| Sloop

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21233 |title=Russian sloop 'Ladoga' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 10 June

| {{flagcountry|UKGBI}}

|

| Pembroke Dockyard

| {{HMS|Falcon|1820|2}}

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.

! 10 June

| {{flagcountry|UKGBI}}

|

| Pembroke Dockyard

| {{HMS|Frolic|1820|2}}

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.

! 13 June

| {{flagcountry|UKGBI}}

| Nicholas Diddams

| Portsmouth

| {{HMS|Minerva|1820|2}}

| {{sclass|Leda|frigate}}

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=5414 |title=British Fifth Rate frigate 'Minerva' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 15 June

| {{flagcountry|UKGBI}}

|

| Portsmouth Dockyard

| {{HMS|Minerva|1820|2}}

| {{sclass|Leda|frigate}}

| For Royal Navy.{{Cite news |title=Tuesday's Post |newspaper=Derby Mercury |location=Derby |date=7 June 1820 |issue=4587 }}

! 1 July

| {{flagcountry|UKGBI}}

| James Tippett & Co.

| Bristol

| The Asia

| Brig

| For Mr. Scott.{{Cite news |title=Ship News |newspaper=Bristol Mercury |location=Bristol |date=3 July 1820 |issue=1580 }}

! 11 July

| {{flagcountry|UKGBI}}

| Menzies

| Leith

| John Watson

| Schooner

| For private owner.{{Cite news |title=(untitled) |newspaper=Caledonian Mercury |location=Edinburgh |date=15 July 1820 |issue=15424 }}

! 11 July

| {{flagcountry|UKGBI}}

| James Shepherd

| Paull

| {{ship

| Merchantman

| For Joseph Soames.

! 26 July

| {{flagcountry|UKGBI}}

|

| Portsmouth Dockyard

| {{HMS|Jasper|1820|2}}

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.{{Cite news |title=Postscript |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=31 January 1820 |issue=1086 }}

! 26 July

| {{flagcountry|UKGBI}}

| George Parkin

| Chatham Dockyard

| {{HMS|Trafalgar|1820|2}}

| Second rate

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=34 |title=British First Rate ship of the line 'Trafalgar' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 27 July

| {{flagcountry|UKGBI}}

|

| Carmarthen

| David Walter

| Brig

| For private owner.

! 27 July

| {{flagcountry|UKGBI}}

| George Llewelling

| Swansea

| Villers

| Brig

| For private owner.{{Cite news |title=Monmouthshire &c. |newspaper=Bristol Mercury |location=Bristol |date=31 July 1820 |issue=1584 }}

! 28 July

| {{flagcountry|UKGBI}}

|

| Deptford Dockyard

| {{HMS|Ariel|1820|2}}

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=3122 |title=British sloop 'Ariel' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 10 August

| {{flagcountry|UKGBI}}

| William Stone

| Deptford Dockyard

| {{HMS|Venus|1820|2}}

| {{sclass|Leda|frigate}}

| For Royal Navy.{{Cite news |title=London, Saturday Evening, August 12, 1820 |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=14 August 1820 |issue=1088 }}{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=7305 |title=British Fifth Rate frigate 'Venus' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 18 August

| {{flagcountry|UKGBI}}

| Edward Churchill

| Pembroke Dockyard

| {{HMS|Melampus|1820|2}}

| Modified {{sclass|Leda|frigate}}

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=5347 |title=British Fifth Rate frigate 'Melampus' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 24 August

| {{flagcountry|UKGBI}}

|

| Portsmouth

| {{HMS|Britomart|1820|2}}

| {{sclass|Cherokee|brig-sloop}}

| For Royal Navy.{{Cite news |title=Postscript |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=28 August 1820 |issue=1090 }}

! 25 August

| {{flag|France}}

|

| Lorient

| {{ship|French ship|Jean Bart|1820|2}}

| {{sclass|Téméraire|ship of the line}}

| For French Navy.

! 7 September

| {{flag|United States|1820}}

| William Doughty

| Philadelphia Navy Yard

| {{USS|North Carolina|1820|2}}

| Ship of the line

| For United States Navy.

! 16 September

| {{flagcountry|UKGBI}}

| Hilhouse & Co.

| Wapping

| Feliza

| Full-rigged ship

| For private owner.{{Cite news |title=Ship News |newspaper=Bristol Mercury |location=Bristol |date=18 September 1820 |issue=1591 }}

! 5 October

| {{flagcountry|UKGBI}}

| B. F. Stoke

| Saint Petersburg

| {{ship|Russian ship|Sviatoi Lavrentii|1820|2}}

| {{sclass|Aiaks|sloop}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21259 |title=Russian sloop 'Svia Lavrentii' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 19 October

| {{flagcountry|UKGBI}}

| William Patrick

| Mirfield

| Hopewell

| Sloop

| For private owner.{{Cite news |title=Leeds, Saturday, Oct. 21 |newspaper=Leeds Mercury |location=Leeds |date=21 October 1820 |issue=2889 }}

! 20 October

| {{flagcountry|UKGBI}}

|

| Devonport Dockyard

| {{HMS|Britannia|1820|2}}

| {{sclass|Caledonia|ship of the line}}

| For Royal Navy.

! 21 October

| {{flagcountry|UKGBI}}

|

| Norfolk Navy Yard

| {{USS|Delaware|1820|2}}

| {{Sclass|North Carolina|ship of the line}}

| For United States Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=2379 |title=American Third Rate ship of the line 'Delaware' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 21 October

| {{flagcountry|Russian Empire}}

| B. F. Stoke

| Saint Petersburg

| {{ship|Russian ship|Provornyi|1820|2}}

| {{sclass|Spechnyi|frigate}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21178 |title=Russian Fifth Rate frigate 'Provornyi' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 24 October

| {{flagcountry|UKGBI}}

| William Simons & Co.

| Greenock

| Wilberforce

| East Indiaman

| For John Robertson.{{Cite news |title=(untitled) |newspaper=Caledonian Mercury |location=Edinburgh |date=21 October 1820 |issue=15471 }}

! October

| {{flagcountry|UKGBI}}

| William Symons

| Little Falmouth

| Marquis of Salisbury

| Packet ship

| For Post Office Packet Service{{Cite news |title=(untitled) |newspaper=Liverpool Mercury |location=Liverpool |date=17 November 1820 |issue=493 }}

! 2 November

| {{flag|United States|1820}}

|

| Boston Navy Yard

| {{USS|Alligator|1820|2}}

| Schooner

| For United States Navy.

! 7 November

| {{flagcountry|UKGBI}}

|

| Annan

| Henry Brougham

| Sloop

| For Messrs. Nicholson & Co.{{Cite newspaper The Times |title=(untitled) |date=14 November 1820 |page=3 |issue=11090 |column=A }}

! 7 November

| {{flagcountry|UKGBI}}

| William Stone

| Deptford Dockyard

| {{HMS|Southampton|1820|2}}

| {{sclass|Southampton|frigate

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=6789 |title=British Fourth Rate frigate 'Southampton' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! 27 November

| {{flagcountry|UKGBI}}

|

| Woolwich Dockyard

| {{HMS|Niemen|1820|2}}

| {{sclass|Atholl|corvette}}

| For Royal Navy.{{Cite news |title=London |newspaper=Caledonian Mercury |location=Edinburgh |date=30 November 1820 |issue=15483 }}

! 29 November

| {{flagcountry|UKGBI}}

|

| Woolwich Dockyard

| {{HMS|Atholl|1820|2}}

| {{sclass|Atholl|corvette}}

| For Royal Navy.

! 5 December

| {{flagcountry|UKGBI}}

| W. Smith & Co.

| Newcastle upon Tyne

| The Flotentia

| East Indiaman

| For private owner.{{Cite news |title=Postscript - (By Express) |newspaper=Newcastle Courant |location=Newcastle upon Tyne |date=9 December 1820 |issue=7522 }}

! 6 December

| {{flagcountry|UKGBI}}

| Wigram & Green

| Blackwall

| {{ship

| East Indiaman

| For British East India Company.

! 7 December

| {{flagcountry|UKGBI}}

|

| Woolwich Dockyard

| {{HMS|Ranger|1820|2}}

| {{Sclass|Atholl|corvette}}

| For Royal Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=6083 |title=British Sixth Rate frigate 'Ranger' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! Unknown date

| {{flagcountry|UKGBI}}

| Horseley Ironworks

| Tipton & London

| {{PS|Aaron Manby|1820|2}}

| Paddle steamer

| For Aaron Manby.{{cite journal |url=https://play.google.com/books/reader?id=XwgAAAAAMAAJ&pg=GBS.PA130&hl=en_GB |title=The History of Paddle Wheel Steam Navigation |journal=The Marine Engineer |location=London |date=1 August 1885 |pages=130-31 }}

! Unknown date

| {{flag|France}}

|

| Dunkerque

| {{HNLMS|Arend|1820|2}}

| Sixth rate

| For Royal Netherlands Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=1386 |title=Dutch Sixth Rate ship 'Arend' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! Unknown date

| {{flagcountry|United Kingdom of the Netherlands}}

|

|

| {{HNLMS|Betsy en Carolina|1820|2}}

| Unrated

| For Royal Netherlands Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=29709 |title=Dutch 'Betsy en Carolina' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! Unknown date

| {{flagcountry|UKGBI}}

|

| Sunderland

| Carley

| Sloop

| For private owner.

! Unknown date

| {{flag|United States|1820}}

|

| Baltimore, Maryland

| Gata

| Schooner

| For private owner.

! Unknown date

| {{flagcountry|UKGBI}}

|

| Sunderland

| Helen

| Merchantman

| For Mr. Ballantyne.

! Unknown date

| {{flagcountry|UKGBI}}

|

| Plymouth

| {{ship

| Sloop

| For H. Rowe.

! Unknown date

| {{flagcountry|UKGBI}}

|

| Sunderland

| Hinde

| Merchantman

| For private owner.

! Unknown date

| {{flagcountry|UKGBI}}

|

| Deptford

| {{ship

| Merchantman

| For private owner.

! Unknown date

| {{Flagcountry|UKGBI}}

|

| Newcastle upon Tyne

| {{SS|Indefatigable|1820|2}}

| Packet boat

| For private owner.{{sfn|Mitchell|Sawyer|1990|p=140}}

! Unknown date

| {{flagcountry|UKGBI}}

|

| Whitehaven

| {{ship

| Merchantman

| For Woods & Co.

! Unknown date

| {{flagcountry|UKGBI}}

| John M. & William Gales

| Sunderland

| Johns

| Snow

| For John M. Gales.

! Unknown date

| {{flagcountry|UKGBI}}

| John M. & William Gales

| Sunderland

| Newby

| Snow

| For R. Scurfield.

! Unknown date

| {{flagcountry|UKGBI}}

| John M. & William Gales

| Sunderland

| Pauline

| Snow

| For John Grimshaw.

! Unknown date

| {{flag|Ottoman Empire|1793}}

|

| Constantinople

| {{ship|Ottoman ship|Peyk i Mesiret|1820|2}}

| Third rate

| For Ottoman Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21503 |title=Turkish Third Rate ship of the line 'Pey i Mesiret' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! Unknown date

| {{flag|United States|1820}}

|

| Portsmouth Navy Yard

| {{USS|Porpoise|1820|2}}

| Schooner

| For United States Navy.

! Unknown date

| {{flagcountry|UKGBI}}

| John M. & William Gales

| Sunderland

| Reaper

| Brig

| For John M. & William Gales.

! Unknown date

| {{flagcountry|UKGBI}}

| Blent

| Rotherhithe

| {{PS|Rising Star

| Paddle steamer

| For Thomas Cochrane.

! Unknown date

| {{flagcountry|UKGBI}}

|

| Sunderland

| Sea Flower

| Brig

| For B. robson.{{cite web |url=http://www.searlecanada.org/sunderland/sunderland119.html |title=SHIPS BUILT IN THE 1810s |publisher=Searle |accessdate=19 September 2023 }}

! Unknown date

| {{flagcountry|UKGBI}}

| John M. & William Gales

| Sunderland

| Sericca

| Brig

| For William Nicholson.

! Unknown date

| {{flagcountry|UKGBI}}

|

| Milford Haven

| {{ship|HMRC|Skylark|1820|2}}

| Cutter

| For Board of Customs.{{Cite news |title=Advertisements & Notices |newspaper=Hampshire/Portsmouth Telegraph |location=Portsmouth |date=14 June 1841 |issue=2175 }}

! Unknown date

| {{flagcountry|UKGBI}}

| Tiffin

| Sunderland

| Tarragona

| Merchantman

| For Mr. Tiffin.

! Unknown date

| {{flagcountry|UKGBI}}

| Philip Laing

| Sunderland

| Thisbe

| Merchantman

| For Philip Laing.

! Unknown date

| {{flagcountry|Russian Empire}}

|

| Saint Petersburg

| {{ship|Russian ship|Uraniia|1820|2}}

| {{sclass|Malyi|frigate}}

| For Imperial Russian Navy.{{cite web |url=https://threedecks.org/index.php?display_type=show_ship&id=21212 |title=Russian Sixth Rate frigate 'Uraniia' (1820) |publisher=Threedecks |accessdate=19 September 2023 }}

! Unknown date

| 22px India

|

| Bombay

| Vigilant

| Schooner

| For British East India Company.{{cite book|last=Wadia |first=R. A. |orig-year=1957 |year=1986 |title=The Bombay Dockyard and the Wadia Master Builders |publisher=Foudroyant Committee of The Society for Nautical Research |location=Bombay |page=341 | url=https://archive.org/details/in.ernet.dli.2015.57463/page/n457/mode/2up }}

! Unknown date

| {{flagcountry|UKGBI}}

| John M. & William Gales

| Sunderland

| Vulcan

| Snow

| For Thomas Young.