The Mystery Girl
- Ár: 1918
- Land: United States of America
- Genre: Crime, Drama
- Stúdíó: Famous Players-Lasky Corporation
- Lykilorð:
- Leikstjóri: William C. de Mille
- Leikarar: Ethel Clayton, Henry Woodward, Clarence Burton, Charles West, Winter Hall, Mayme Kelso
