West of the Pecos is a 1945 American Western film directed by Edward Killy and starring Robert Mitchum and Barbara Hale. It is the second film version of Zane Grey's novel, previously made in 1934 and also titled West of the Pecos starring Richard Dix. It is no relation to the 1922 silent film of the same name.

The previous year, Mitchum had played the lead in another Zane Grey movie with the same screenwriter (Norman Houston) and director titled Nevada, also featuring Richard Martin as comical sidekick Chito Rafferty. Nevada had been Mitchum's first movie as a leading man and the opening titles began with "Introducing Bob Mitchum as Jim Lacy".