Dark Water: The Murder of Shani Warren
- Release Year
- 2023
- Runtime
- 1h 30m
- Genres
- Documentary
- Directed By
- Marc Sigsworth

Twenty-six-year-old Shani Warren was found drowned in Taplow Lake, Buckinghamshire, with her hands tied and feet bound together in 1987. Revealing how it took a forensic breakthrough to solve the 35-year mystery of the death of The Lady in the Lake.