The 1938 Oklahoma gubernatorial election was held on November 8, 1938, and was a race for Governor of Oklahoma. DemocratLeon 'Red' Phillips defeated Republican former State SenatorRoss Rizley. Also on the ballot were John Wesley Lanham of the Prohibition Party and Independent John Franing.[1] This election is the last time an alternative party has had a primary for governor in Oklahoma, as the Prohibitionists chose Francis Simpson over Ralph Butterfield, but Simpson then withdrew and the party placed Lanham on the ballot as a replacement.[2]
Francis Simpson defeated Ralph Butterfield in the primary but then withdrew. John Wesley Lanham of Bethany was named as a replacement candidate.[2] This was the only alternative party gubernatorial primary in Oklahoma until 2018.