The 1920 United States Senate election in Kentucky took place on November 2, 1920. Democratic Senator J. C. W. Beckham ran for re-election to a second term in office but was defeated by Republican attorney Richard P. Ernst.

John Crepps Wickliffe Beckham was an American attorney and politician who served as the 35th governor of Kentucky and a United States senator from Kentucky. He was the state's first popularly-elected senator after the passage of the Seventeenth Amendment.