The Smiling Lieutenant is a 1932 film nominated for the Academy Award for Best Picture. It was written by Jacques Battaille-Henri, Ernst Lubitsch, Samson Raphaelson and Ernest Vajda, from the operetta Ein Walzertraum, by Felix Dormann and Leopold Jacobson, which in turn was based on the novel Nux der Prinzgemahl by Hans Müller. It was directed by Lubitsch.

The movie stars Maurice Chevalier, Claudette Colbert, Miriam Hopkins, Charles Ruggles and George Barbier. It is a romantic comedy concerning the love of a Princess for a soldier, and the love of the soldier for another woman.