Adam Duncan may refer to:
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Adam Duncan, 1st Viscount Duncan
Admiral Adam Duncan, 1st Viscount Duncan, KB (1 July 17314 August 1804) was a British admiral who defeated the Dutch fleet off Camperdown on 11 October 1797. This victory is considered one of the most significant actions in naval history.
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(1731–1804), British admiral
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Adam Duncan (sailor) (1833–?), sailor in the Union Navy in the American Civil War, recipient of the Medal of Honor
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Adam Duncan (cricketer) (1852–1940), English lawyer and cricketer
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Scott Duncan (footballer)
Adam Scott Mathieson Duncan (2 November 1888 – 3 October 1976) was a Scottish football player and manager, who played as an outside right. He made over 100 appearances for Rangers, played in England for Newcastle United, winning the Footbal ...
(1888–1975), Scottish footballer and manager
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Adam M. Duncan (1927–2000), member of the Utah state legislature
{{hndis, Duncan, Adam