The Lone Rider in Texas Justice is a 1942 American Western film directed by Sam Newfield and written by Steve Braxton. The film stars George Houston as the "Lone Rider", Al St. John as his sidekick "Fuzzy" Jones and Dennis Moore as Sheriff Smoky Moore, with Hillary Brooke, Karl Hackett, Lee Powell and Forrest Taylor. The film was released on June 12, 1942, by Producers Releasing Corporation.

This is the ninth movie in the Lone Rider series, which spans seventeen films—eleven starring George Houston, and a further six starring Robert Livingston.

Houston, once an opera singer, sang three songs in this film: "Ride, Cowboy, Ride", "There's Only One Rose in Texas" and "We Will Meet in the Valley". The songs were written by Johnny Lange and Lew Porter.

The movie was not distributed internationally, because it showed thieves dressing up as priests, which was deemed "sacrilegious to many foreign audiences."