Who Done It? may refer to:
Who Done It? (1942 film), an Abbott and Costello film Who Done It? (1949 film), a Three Stooges short Who Done It? (1956 film), a British film comedy starring Benny Hill "Who Done It" (Dallas), an episode of Dallas "Who Done It?" (Yes, Dear), an episode of Yes, Dear "Who Done It", an episode of The Singing Detective
See also Whodunit, a type of detective story Whodunit (disambiguation)