John Duncan
John Duncan may refer to:
- John Duncan (artist) (born 1953), American artist and musician
- John Duncan (botanist) (1794–1881), Scottish weaver and botanist
- John Duncan (Canadian politician) (born 1948), MP from British Columbia
- John Duncan (diplomat), British Ambassador to the United Nations Conference on Disarmament
- John Duncan (footballer) (born 1949), Scottish football player & manager
- John Duncan (painter) (1866–1945), Scottish painter
- John Duncan (theologian) (1796–1870), a.k.a. 'Rabbi' Duncan, Scottish religious leader and educator
- John Duncan (US Administration) (born 1945), U.S. Department of the Treasury
- John Duncan, Sr. (1919–1988), U.S. Representative from Tennessee
- John Alton Duncan (1932–2007), Manitoba judge
- John H. Duncan (1855-1929), American architect
- John James Duncan, Jr. (born 1947), a.k.a. Jimmy Duncan (U.S. politician), U.S. Representative from Tennessee
- John Martin Duncan (1851–1917), Texas state senator
- John S. Duncan (born 1955), British neurologist
- John Duncan, a.k.a. John Dongan (fl. c. 1410), Manx religious leader
- Art Duncan, full name John Arthur Duncan, hockey player
- John Ross Duncan (born 1944), Australian cricketer
- John Duncan (British Army officer) (1872-1948), British general
Johnny Duncan
Johnny Duncan may refer to:
See also