Walter Morosco (San Francisco, Califòrnia, 1 de febrer de 1899 - Coronado, Califòrnia, 30 de desembre de 1948) va ser un productor, escriptor, actor i director de cinema nord-americà. Va estar casat amb l'actriu Corinne Griffith.

After having written four screenplays and directed one film in 1926, Walter Morosco decided that he was better at producing films, so between 1929 and until his early death in 1949 he produced 37 films in Hollywood and London (1931-1932), among them Al Jolson's classic "Mammy" (1930), ("Wing and a Prayer" (1944) and "Give My Regards to Broadway" (1948). His last film was "Mother Is a Freshman" (1949). He died of a stroke three months before that film was released, 49 years old.