Charles Duncan

Charles Duncan may refer to:

Politics and law

 * Charles T. Duncan (1838–1915), American lawyer and Virginia state judge
 * Charles Duncan (politician) (1865–1933), British politician and trade unionist
 * Charles Duncan Jr. (1926–2022), U.S. Secretary of Energy under President Jimmy Carter

Others

 * Charles Duncan (captain) ( 1786–1789), British ship captain and maritime fur trader
 * Charles Duncan (stonemason) (1823–1891), Scottish-born Utah stonemason
 * Charles Duncan (artist) (1887–1970), American avant-garde painter
 * Charlie Duncan (1889–?), Scottish footballer
 * Charles Stafford Duncan (1892–1952), American painter
 * Charles K. Duncan (1911–1994), United States Navy admiral
 * Charles "Scottie" Duncan (fl. 1937–1940), American baseball player
 * Charles Duncan (British Army soldier) (1920–1943), British soldier posthumously awarded the George Cross