Rio Conchos is a 1964 American Cinemascope Western film directed by Gordon Douglas and starring Richard Boone, Stuart Whitman, Anthony Franciosa, Edmond O'Brien, and in his motion picture debut, Jim Brown, based on Clair Huffaker's novel "Guns of Rio Conchos" published in 1958.

The main female role, played by Wende Wagner in a black wig, has no English dialogue.

Jerry Goldsmith's complete soundtrack was given a limited release on CD in January 2000 by Film Score Monthly that featured a tie-in title song by Johnny Desmond.

Factory released the film on DVD as part of a double feature with Take a Hard Ride (1975).

The unit consists of army captain Haven (Stuart Whitman), the Buffalo Soldier sergeant Franklyn (Jim Brown), a knife-wielding Mexican prisoner Rodriguez (Tony Franciosa) who Lassiter has befriended, and later an Apache woman warrior, Sally (Wende Wagner).