Heart of the Rio Grande
- An: 1942
- Pays: United States of America
- Genre: Aventure, Comédie, Musique, Western
- Studio: Republic Pictures
- Mot-clé: ranch, cattle, cattle ranch
- Réalisateur: William Morgan
- Jeter: Gene Autry, Smiley Burnette, Fay McKenzie, Edith Fellows, Pierre Watkin, Joe Strauch Jr.