Carl Wittman (February 23, 1943 – January 22, 1986) was a member of the national council of Students for a Democratic Society (SDS) and later an activist for LGBT rights. He co-authored "An Interracial Movement of the Poor?" (1963) with Tom Hayden and wrote "A Gay Manifesto" (1970). Wittman declined hospital treatment for AIDS and committed suicide by drug overdose at home in North Carolina.