Sherlock Holmes and the Secret Weapon
- Ano: 1942
- País: United States of America
- Gênero: Mistério, Thriller, Crime
- Estúdio: Universal Pictures
- Palavra-chave: 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
- Diretor: Roy William Neill
- Fundida: Basil Rathbone, Nigel Bruce, Lionel Atwill, William Post Jr., Kaaren Verne, Dennis Hoey