The Black Secret
- Gore: 1919
- Nyika: United States of America
- Genre: Action, Adventure
- Studio: George B. Seitz Productions
- Keyword: gun, movie serial, lost film
- Mutungamiriri: George B. Seitz
- Cast: Pearl White, Walter McGrail, Wallace McCutcheon Jr., George B. Seitz, Henry G. Sell, Marjorie Milton
