Behind the Door
- År: 1919
- Land: United States of America
- Genre: Drama, Krig, Romantik
- Studio: Paramount Pictures, Thomas H. Ince Corporation
- Nøgleord: revenge, silent film
- Direktør: Irvin Willat
- Cast: Hobart Bosworth, Jane Novak, Wallace Beery, James Gordon, Richard Wayne, J.P. Lockney