While London Sleeps
- Joer: 1926
- Land: United States of America
- Genre: Crime, Action, Adventure
- Studio: Warner Bros. Pictures
- Schlësselwuert: scotland yard, german shepherd, dog hero
- Direkter: Howard Bretherton
- Besetzung: Rin-Tin-Tin, Helene Costello, Walter Merrill, John Patrick, Otto Matieson, George Kotsonaros