Mister X
- Jier: 1967
- Lân: Italy, Spain
- Sjenre: Action, Crime, Drama
- Studio: Copercines, Cooperativa Cinematográfica, Terra Film
- Keyword: superhero
- Direkteur: Piero Vivarelli
- Cast: Pier Paolo Capponi, Gaia Germani, Armando Calvo, Anna Zinnemann, Umberto Raho, Renato Baldini