Who Killed Who?
- Joer: 1943
- Land: United States of America
- Genre: Animation, Comedy, Mystery
- Studio: MGM Cartoon Studio, Metro-Goldwyn-Mayer
- Schlësselwuert: whodunit, murder investigation, live action and animation, short film
- Direkter: Tex Avery
- Besetzung: Robert Emmett O'Connor, Tex Avery, Sara Berner, Billy Bletcher, Richard Haydn, Kent Rogers