Riddle Ranch is a 1935 American western film directed by Charles Hutchison and starring David Worth, June Marlowe, and Julian Rivero.

Don Carlos, a Mexican outlaw, wants to get his hands on the horse Black King.

To achieve this he rigs a horse race to cheat Black King's owner.

That night, after being accused of dishonesty, he shoots dead another man with young Bob Horton's gun.

Bob is then forced to flee across the border to Mexico as he is suspected of the killing.