Carhart is a surname. Notable people with the surname include:
Arthur Carhart (1892–1978), US Forest Service official, writer and conservationist who inspired wilderness protection in the United States
Henry Smith Carhart Ph.B. (1844–1920), American physicist and university professor
LeRoy Carhart (born 1941), American physician from Nebraska
Raymond Carhart (born 1912), audiologist from Mexico City
Timothy Carhart (born 1953), American actor
