Knockout (German: Knockout – Ein Junges Mädchen, ein Junger Mann) is a 1935 German sports film directed by Carl Lamac and Hans H. Zerlett and starring Anny Ondra, Max Schmeling, and Hans Schönrath. After impressing a boxing trainer during a brawl over a woman, a young man is recruited and trained to be a boxer. He fights and defeats the British champion.

Schmeling was a leading international boxer and the film was an attempt to capitalize on his fame. Schmeling and Ondra, who plays the romantic love interest, were married in real life. It was shot at the Bavaria Studios in Munich. The film's sets were designed by the art directors Wilhelm Depenau and Erich Zander.