Deep in the Heart of Texas is a 1942 black-and-white western released in the United States starring Johnny Mack Brown as a man instrumental in restoring Texas. It was directed by western director Elmer Clifton. The film is situated during the American Civil War in Texas. The film is best known for its performance of American folk song "Deep in the Heart of Texas" which is sung by country singer Tex Ritter with Jimmy Wakely Trio.