The Mysterious Lodger
- Jier: 1914
- Lân: United States of America
- Sjenre:
- Studio: Vitagraph Company of America
- Keyword: lost film
- Direkteur: Maurice Costello, Robert Gaillard
- Cast: Maurice Costello, Constance Talmadge, Edwina Robbins, Helene Costello, Estelle Mardo, Thomas R. Mills
