Colhoun, a surname of Scottish origin, is a variant of the surname Colquhoun. Colhoun may refer to:
People Edmund Colhoun (1821–1897), admiral in the U.S. Navy John E. Colhoun (1750–1802), U.S. senator and lawyer from South Carolina John Colhoun (plant pathologist) (1913–2002), British mycologist, phytopathologist, and professor of cryptogamic botany Mabel Colhoun (1905–1992), Irish photographer, teacher and archaeologist Ossie Colhoun (born 1938), Irish cricketer
Places Lumsden (Colhoun) Airport, Saskatchewan, Canada Calhoun College, a college of Yale University
Ships USS Colhoun (DD-85), a U.S. Navy destroyer 1918-1942 USS Colhoun (DD-801), a U.S. Navy destroyer 1944-1945
See also Calhoun (disambiguation), variant name Colquhoun, variant name