The Crimson Key
- Tahun: 1947
- Negara: United States of America
- Genre: Mystery, Thriller
- Studio: Sol M. Wurtzel Productions
- Kata kunci: film noir
- Pengarah: Eugene Forde
- Pelakon: Kent Taylor, Doris Dowling, Dennis Hoey, Louise Currie, Ivan Triesault, Arthur Space