The Sin of Harold Diddlebock
- Ano: 1947
- País: United States of America
- Xénero: Comedy
- Estudo: United Artists
- Palabra clave: banker, clerk, circus, american football, lion, blackout, cocktail
- Director: Preston Sturges
- Reparto: Harold Lloyd, Jimmy Conlin, Raymond Walburn, Rudy Vallee, Edgar Kennedy, Margaret Hamilton