The Unholy Night
- År: 1929
- Land: United States of America
- Genre: Mysterium, Thriller, Gyser
- Studio: Metro-Goldwyn-Mayer
- Nøgleord: pre-code, murder mystery
- Direktør: Lionel Barrymore
- Cast: Ernest Torrence, Roland Young, Dorothy Sebastian, Natalie Moorhead, Sydney Jarvis, Polly Moran