Adam Duncan, 1st Viscount Duncan

Admiral The Right Honourable The Viscount Duncan
Portrait by John Hoppner, c. 1798
Born	(1731-07-01)1 July 1731 Dundee, Scotland
Died	4 August 1804(1804-08-04) (aged 73) Cornhill-on-Tweed, England
Allegiance	Great Britain United Kingdom
Branch	Royal Navy
Service years	1746–1804
Rank	Admiral
Commands	HMS Royal Exchange HMS Valiant HMS Suffolk HMS Monarch HMS Blenheim HMS Foudroyant HMS Edgar North Sea Fleet
Conflicts	Seven Years' War Raid on Rochefort Raid on St Malo Capture of Gorée Capture of Belle Île Siege of Havana American War of Independence Siege of Gibraltar Battle of Cape St. Vincent Battle of Cape Spartel French Revolutionary Wars Battle of Camperdown Napoleonic Wars
Awards	Naval Gold Medal

Admiral Adam Duncan, 1st Viscount Duncan (1 July 1731 – 4 August 1804) was a Royal Navy officer who served in the Seven Years' War, American War of Independence and French Revolutionary and Napoleonic Wars. He is best known for defeating Batavian Navy at the 1797 Battle of Camperdown, which was one of the most significant naval battles of the French Revolutionary Wars.