The Mysterious Lodger
- Viti: 1914
- Vendi: United States of America
- Zhanri: Mystery, Romance
- Studio: Vitagraph Company of America
- Fjalen: lost film
- Drejtori: Maurice Costello, Robert Gaillard
- Cast: Maurice Costello, Constance Talmadge, Edwina Robbins, Helene Costello, Estelle Mardo, Thomas R. Mills
