Maniac
- Taon: 1980
- Bansa: United States of America
- Genre: Horror
- Studio: Magnum Motion Pictures Inc., MPO Videotronics
- Keyword: mannequin, sadism, shotgun, murder of prostitute, gore, grindhouse, murder, park, scalping, model, rage, killer
- Direktor: William Lustig
- Cast: Joe Spinell, Caroline Munro, Abigail Clayton, Nelia Bacmeister, Denise Spagnuolo, Billy Spagnuolo