Crashing Thru is a 1939 American northern action film directed by Elmer Clifton and starring James Newill, Jean Carmen and Warren Hull. It is based on the 1935 novel Renfrew Rides the Range, the seventh in the popular Renfrew of the Royal Mounted series by Laurie York Erskine.

The film was shot at the Iverson Ranch and on location around Big Bear Lake in the San Bernardino Mountains of California. It was originally intended to be released by Grand National Pictures before being picked up for distribution by Monogram.