The Day of the Locust is a 1975 American drama film directed by John Schlesinger. The screenplay by Waldo Salt is based on the 1939 novel of the same title by Nathanael West. Set in Hollywood, California just prior to World War II, it depicts the alienation and desperation of a disparate group of individuals whose dreams of success have failed to come true.

The film stars Donald Sutherland, William Atherton and Karen Black.