Who Killed Who?
- Yıl: 1943
- Ülke: United States of America
- Tür: Animasyon, Komedi, Gizem
- Stüdyo: MGM Cartoon Studio, Metro-Goldwyn-Mayer
- Anahtar kelime: whodunit, murder investigation, live action and animation, short film
- Yönetmen: Tex Avery
- Oyuncular: Robert Emmett O'Connor, Tex Avery, Sara Berner, Billy Bletcher, Richard Haydn, Kent Rogers