Romance of the Rio Grande is a 1941 American western film directed by Herbert I. Leeds and written by Harold Buchman and Samuel G. Engel.

The film stars Cesar Romero, Patricia Morison, Lynne Roberts, Ricardo Cortez, Chris-Pin Martin and Aldrich Bowker.

[1][2][3] Knowing that his greedy nephew Ricardo hopes to inherit his ranch, aging and ailing Don Fernando de Vega sends for his grandson, Carlos Hernandez, his preferred heir.

Struck by their uncanny resemblance, Cisco takes him to have the bullet taken out by a friend in a nearby hacienda, and he finds a letter from Don Fernando and decides to impersonate him.

By the time his scheme is done, Ricardo and Rosita have shot one another in a jealous rage, while Carlos returns to claim his rightful inheritance and Maria.