Reitman (alternate spelling Reitmann) is a surname. Notable people with the surname include:
Ben Reitman (1879–1943), American physician Bob Reitman (born 1941), American radio personality Catherine Reitman (born 1981), Canadian-American actress Dorothy Reitman (born 1932), Canadian community volunteer Greg Reitman (born 1971), American film producer Herman Reitman (1870–1941), Romanian-Canadian businessman Ivan Reitman (1946–2022), Czechoslovak-born Canadian film and television director, producer and screenwriter Janet Reitman, American journalist Jason Reitman (born 1977), Canadian-American movie director and writer, son of Ivan Reitman Jerry Reitman (born 1938), American author, businessman and advertising executive Joseph D. Reitman (born 1968), American actor Sarah Reitman (1881–1950), Romanian-Canadian businesswoman; wife of Herman Francis Reitmann (1905–1955), British psychiatrist
See also Reitmans, a Canadian retailing company Reitman v. Mulkey Martín Rejtman