The Solitary Sin
- Ár: 1919
- Land: United States of America
- Genre: Drama
- Stúdíó: New Art Film Company, Solitary Sin Corporation, Public Welfare Pictures Corp.
- Lykilorð: insane asylum, hospital, masturbation, syphilis, sexually transmitted disease, venereal diseases
- Leikstjóri: Frederick Sullivan
- Leikarar: Jack Mulhall, Helene Chadwick, Gordon Griffith, Leo Pierson, Pauline Curley, Charles Spere
