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)