Madhouse
- Jier: 1974
- Lân: United Kingdom, United States of America
- Sjenre: Crime, Horror, Mystery, Thriller
- Studio: Amicus Productions, American International Pictures
- Keyword: england, murder, movie star
- Direkteur: Jim Clark
- Cast: Vincent Price, Peter Cushing, Robert Quarry, Adrienne Corri, Linda Hayden, Natasha Pyne