A Man's Man is a lost 1929 synchronized sound film produced and distributed by Metro-Goldwyn-Mayer and directed by James Cruze. While the film has no audible dialog, it was released with a synchronized musical score with sound effects using both the sound-on-disc and sound-on-film process. The film starred William Haines and Josephine Dunn. It was based on a Broadway play, A Man's Man by Patrick Kearney. Greta Garbo and John Gilbert notably appear in a cameo. The film is believed to be lost, although the Vitaphone type sound discs exist and are currently held at the UCLA Film and Television Archive.