Adam Duncan may refer to:
- Adam Duncan, 1st Viscount Duncan (1731–1804), British admiral
- Adam Duncan (sailor) (1833–?), sailor in the Union Navy in the American Civil War, recipient of the Medal of Honor
- Adam Duncan (cricketer) (1852–1940), English lawyer and cricketer
- Scott Duncan (footballer) (1888–1975), Scottish footballer and manager
- Adam M. Duncan (1927–2000), member of the Utah state legislature
If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: