Who Killed Who?
- Año: 1943
- País: United States of America
- Género: Animación, Comedia, Misterio
- Estudio: MGM Cartoon Studio, Metro-Goldwyn-Mayer
- Palabra clave: whodunit, murder investigation, live action and animation, short film
- Director: Tex Avery
- Emitir: Robert Emmett O'Connor, Tex Avery, Sara Berner, Billy Bletcher, Richard Haydn, Kent Rogers