The Case of Prosecutor M (German: Der Fall des Staatsanwalts M...) is a 1928 German silent mystery film directed by Rudolf Meinert and Giulio Antamoro and starring Maria Jacobini, Jean Angelo and Gregori Chmara. It was shot at the Staaken Studios in Berlin. The film's sets were designed by the art director Robert A. Dietrich. It was released in the United States in 1930 by Unusual Photoplays as The Strange Case of the District Attorney with English intertitles by Don Bartlett and an added sound effects track.