Sherlock Holmes and the Secret Weapon
- taona: 1942
- Firenena: United States of America
- Genre: Mystery, Thriller, Crime
- Studio: Universal Pictures
- Keyword: london, england, kidnapping, switzerland, world war ii, invention, black and white, gestapo, war effort, secret code, bomb -sight, dancing men, false bottomed trunk, one-legged actor, moriarty, holmes vs moriarty, sherlock holmes
- tale: Roy William Neill
- Cast: Basil Rathbone, Nigel Bruce, Lionel Atwill, William Post Jr., Kaaren Verne, Dennis Hoey