The Solitary Sin
- Xyoo: 1919
- Ncig Teb Chaws: United States of America
- Genre: Drama
- Studio: New Art Film Company, Solitary Sin Corporation, Public Welfare Pictures Corp.
- Cov ntsiab lus: insane asylum, hospital, masturbation, syphilis, sexually transmitted disease, venereal diseases
- Tus Thawj Coj: Frederick Sullivan
- Pov Pob Tseg: Jack Mulhall, Helene Chadwick, Gordon Griffith, Leo Pierson, Pauline Curley, Charles Spere