Gallant Sons is a 1940 American mystery film directed by George B. Seitz and written by William R. Lipman and Marion Parsonnet. The film stars Jackie Cooper, Bonita Granville, Gail Patrick, Gene Reynolds, June Preisser, Ian Hunter, Leo Gorcey, William Tracy and El Brendel. The film was released on November 15, 1940, by Metro-Goldwyn-Mayer.