Another Thin Man is a 1939 film, the third in the series of six "Thin Man" movies starring William Powell and Myrna Loy as Nick and Nora Charles and based on the writings of Dashiell Hammett. The film introduces their son, Nicky Jr.

The cast also includes their terrier Asta, and Virginia Grey, Otto Kruger, C. Aubrey Smith, Ruth Hussey, Nat Pendleton, Patric Knowles, Sheldon Leonard, Tom Neal, Phyllis Gordon and Marjorie Main.

This was originally promoted in the USA under the title of Return of the Thin Man, and was followed by Shadow of the Thin Man (1941).