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