The Secret Witness
- Joer: 1931
- Land: United States of America
- Genre: Drama, Comedy, Mystery
- Studio: Famous Attractions
- Schlësselwuert: adultery, based on novel or book, murder
- Direkter: Thornton Freeland
- Besetzung: Una Merkel, Purnell Pratt, Zasu Pitts, Clarence Muse, Paul Hurst, Ralf Harolde