While London Sleeps
- Annu: 1926
- Paese: United States of America
- Genre: Crime, Action, Adventure
- Studio: Warner Bros. Pictures
- Parolla chjave: scotland yard, german shepherd, dog hero
- Direttore: Howard Bretherton
- Cast: Rin-Tin-Tin, Helene Costello, Walter Merrill, John Patrick, Otto Matieson, George Kotsonaros
