The Unknown Man
- An: 1951
- Pays: United States of America
- Genre: Crime, Drame
- Studio: Metro-Goldwyn-Mayer
- Mot-clé: film noir, murder, extortion, lawyer, double jeopardy, courtroom drama
- Réalisateur: Richard Thorpe
- Jeter: Walter Pidgeon, Ann Harding, Barry Sullivan, Keefe Brasselle, Lewis Stone, Eduard Franz