"You're the Reason God Made Oklahoma" is a song from the film Any Which Way You Can, performed by American country music artists David Frizzell and Shelly West. It was written by Larry Collins and Sandy Pinkard (of Pinkard & Bowden). The song was West's debut on the country chart and Frizzell's second hit on the country chart. "You're the Reason God Made Oklahoma", was the most successful of seven country hits by the duo, staying number one on the country chart for one week and 11 weeks in the Top 40 country chart.