1792 in Great Britain

• Monarch – George III
• Prime Minister – William Pitt the Younger (Tory){{cite web |title=History of William Pitt 'The Younger' - GOV.UK |url=https://www.gov.uk/government/history/past-prime-ministers/william-pitt |website=www.gov.uk |access-date=1 July 2023 |language=en}}
• Foreign Secretary – Lord Grenville

• January – the investment management business which will become the Charles Stanley Group in London is established as a banking partnership in Sheffield.{{cite web|title=About Us|url=https://www.charles-stanley.co.uk/about-us|publisher=Charles Stanley|date=2021-08-14}}
• 25 January – the radical London Corresponding Society is established.{{cite web|url=https://www.bbc.co.uk/history/british/launch_tl_british.shtml|title=BBC History British History Timeline|accessdate=4 September 2007|archiveurl=https://web.archive.org/web/20070909012414/http://www.bbc.co.uk/history/british/launch_tl_british.shtml|archivedate=9 September 2007}}
• 7 March – a settlement is formed in Sierra Leone in West Africa as a home for freed slaves.
• 23 March – Joseph Haydn premieres his Symphony No. 94 (the "Surprise"), the second of his twelve London symphonies, at the Hanover Square Rooms.
• 4 June – Captain George Vancouver claims Puget Sound for Britain.
• 21 June – Iolo Morganwg holds the first Gorsedd ceremony, at Primrose Hill in London.
• September – Macartney Embassy: George Macartney, 1st Earl Macartney, sails from Portsmouth in HMS Lion as the first official envoy from the Kingdom of Great Britain to China.
• 14 September – radical Thomas Paine flees to France after being indicted for treason.{{cite book|last=Palmer|first=Alan|last2=Palmer |first2=Veronica|year=1992|title=The Chronology of British History|publisher=Century Ltd|location=London|pages=232–233|isbn=978-0-7126-5616-0}}
• 29 September – first St Patrick's Church, Soho Square, London (Roman Catholic) consecrated as a chapel.
• 2 October – Baptist Missionary Society is founded in Kettering.
• 18 December – the trial of Thomas Paine in absentia for treason begins.{{cite book|title=Penguin Pocket On This Day|publisher=Penguin Reference Library|isbn=978-0-14-102715-9|year=2006}} He is outlawed.

• Over 300 petitions are presented to Parliament against the slave trade. The House of Commons pledges to abolish the trade "gradually".{{cite web|url=http://www.gov.scot/Publications/2007/03/23121622/0|archive-url=https://www.webarchive.org.uk/wayback/archive/20170401195036/http://www.gov.scot/Publications/2007/03/23121622/0|url-status=dead|archive-date=1 April 2017|title=Scotland and the Slave Trade: 2007 Bicentenary of the Abolition of the Slave Trade Act, Scottish Executive website|accessdate=1 September 2007}}
• "Year of the Sheep" in the Scottish Highlands: mass emigration of crofters following Clearances for grazing.
• Fox's Libel Act restores to juries the right to determine what constitutes libel; it remains in force until abolition of criminal libel in 2010.
• Henry Walton Smith and his wife Anna establish the newsagent's business in Little Grosvenor Street, London, which will become W H Smith.{{cite web|url=http://www.whsmithplc.co.uk/WHSPLC-OC-History1.htm|title=Our Company: History 1792–1900|publisher=W H Smith PLC|year=2008|accessdate=13 July 2010|archiveurl=https://web.archive.org/web/20090627135545/http://www.whsmithplc.co.uk/WHSPLC-OC-History1.htm|archivedate=27 June 2009|url-status=dead}}

• Thomas Holcroft's Anna St. Ives, the first British Jacobin novel.
• Thomas Paine's second edition of Rights of Man, urging the overthrow of the British monarchy.{{cite book|chapter=1792|title=The People's Chronology|editor=Everett, Jason M.|publisher=Thomson Gale|year=2006}}
• Mary Wollstonecraft's A Vindication of the Rights of Woman, one of the earliest works of feminist literature.

• 10 February – Frederick Marryat, author (died 1848)
• 19 February – Roderick Murchison, geologist (died 1871)
• 7 March – John Herschel, mathematician and astronomer (died 1871)
• 12 April – John Lambton, 1st Earl of Durham (died 1840)
• 25 April – John Keble, churchman and poet (died 1866)
• 17 May – Anne Isabella Milbanke, wife of George Gordon Byron, 6th Baron Byron (died 1860)
• 16 June – John Linnell, painter (died 1882)
• 7 July – William Henry Smith, businessman (died 1865)
• 4 August – Percy Bysshe Shelley, poet (died 1822)
• 13 August – Adelaide of Saxe-Meiningen, queen of William IV (died 1849)
• 18 August – John Russell, 1st Earl Russell, Prime Minister (died 1878)
• 11 November – Mary Anne Disraeli, wife of Benjamin Disraeli (died 1872)

• 27 January – George Horne, bishop (born 1730)
• 8 February – Hannah Snell, soldier (born 1723)
• 23 February – Sir Joshua Reynolds, painter (born 1723)
• 3 March – Robert Adam, architect (born 1728)
• 10 March – John Stuart, 3rd Earl of Bute, Prime Minister (born 1713){{cite web |title=History of John Stuart, 3rd Earl of Bute - GOV.UK |url=https://www.gov.uk/government/history/past-prime-ministers/john-stuart-3rd-earl-of-bute |website=www.gov.uk |access-date=19 June 2023 |language=en}}
• 3 April – George Pocock, admiral (born 1706)
• 30 April – John Montagu, 4th Earl of Sandwich, statesman, First Lord of the Admiralty and rake (born 1718)
• 24 May – George Brydges Rodney, 1st Baron Rodney, naval officer (born 1719)
• 4 June – John Burgoyne, general (born 1723)
• 18 July – John Paul Jones, sailor and the United States's first well-known naval fighter in the American Revolution (born 1747)
• 3 August – Richard Arkwright, inventor (born 1732)
• 4 August – John Burgoyne, army officer, playwright and politician (born 1722)
• 5 August – Frederick North, Lord North, Prime Minister (born 1732){{cite web |title=History of Lord Frederick North - GOV.UK |url=https://www.gov.uk/government/history/past-prime-ministers/frederick-north |website=www.gov.uk |access-date=1 July 2023 |language=en}}
• 28 October – John Smeaton, civil engineer (born 1724)

• 1792 in Wales

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{{Year in Europe|1792}}

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Category:1792 by country

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Category:1790s in Great Britain