Guy Carleton may refer to:
Guy Carleton (bishop) (1605–1685), Anglican bishop Guy Carleton, 1st Baron Dorchester (1724–1808), British Army officer and colonial administrator Guy Carleton (general), (1857–1946), United States Army major general
See also Guy Carleton Wiggins (1883–1962), American landscape painter Guy Carleton Phinney (1851–1993), Canadian real estate tycoon