South of the Border is a 1939 Western film directed by George Sherman and starring Gene Autry, Smiley Burnette, and June Storey. Written by Betty Burbridge and Gerald Geraghty, based on a story by Dorrell and Stuart E. McGowan, the film is about a federal agent who is sent to Mexico to prevent foreign powers from gaining control of Mexican oil refineries and fomenting revolution among the Mexican people.