The Eternal Sin
- Jier: 1917
- Lân: United States of America
- Sjenre: Drama
- Studio: Herbert Brenon Film Corporation, Selznick Pictures
- Keyword: silent film, lost film, borgia family, 15th century, borgias, lucrezia borgia
- Direkteur: Herbert Brenon
- Cast: Florence Reed, William E. Shay, Stephen Grattan, Richard Barthelmess, Alex Shannon, A.G. Parker
