The Mystery of Lake Lethe
- Bliain: 1917
- Tír: United States of America
- Seánra: Mystery
- Stiúideo: Vitagraph Company of America
- Eochairfhocal:
- Stiúrthóir: Rollin S. Sturgeon
- Caitheadh: Webster Campbell, William Duncan, Corinne Griffith, Anne Schaefer, Nell Shipman
