Mercy Black
- taona: 2019
- Firenena: United States of America
- Genre: Horror, Mystery, Thriller
- Studio: Divide / Conquer, Blumhouse Productions
- Keyword: child murder, urban legend, mental institution, stabbing
- tale: Owen Egerton
- Cast: Daniella Pineda, Austin Amelio, Elle LaMont, Lee Eddy, Miles Emmons, Janeane Garofalo