Il boia scarlatto
- År: 1965
- Land: Italy
- Genre: Gyser
- Studio: International Entertainment, M.B.S. Cinematografica
- Nøgleord: photographer, delusion, castle, murder, torture chamber, torture, model, trespass, booby trap, iron maiden
- Direktør: Massimo Pupillo
- Cast: Mickey Hargitay, Walter Brandi, Luisa Baratto, Ralph Zucker, Rita Klein, Alfredo Rizzo