Who Killed Who? (1943)
- HD 1080
- Runtime: 8m.
- Status: Released
- 0
- Languages: en
- Country: United States of America
- Director: Tex Avery
- Stars: Robert Emmett O'Connor, Tex Avery, Sara Berner, Billy Bletcher, Richard Haydn
- keywords: whodunit, murder investigation, live action and animation, short film
- Production_studio: MGM Cartoon Studio, Metro-Goldwyn-Mayer
- The Who Killed Who? is featured in the top rankings of 1943
- #2 in Top Animation of 1943
A murder has occurred at Gruesome Gables, and the dog detective trying to find the killer has to deal with some suspicious suspects and a haunted house.