The Sign of Four: Sherlock Holmes' Greatest Case
- År: 1932
- Land: United Kingdom
- Genre: Mysterium, Thriller, Romantik, Kriminalitet, Action
- Studio: Associated Talking Pictures (ATP)
- Nøgleord: sherlock holmes
- Direktør: Graham Cutts
- Cast: Arthur Wontner, Isla Bevan, Ian Hunter, Graham Soutten, Herbert Lomas, Gilbert Davis