1920 United States Senate election in Oklahoma

The 1920 United States Senate election in Oklahoma took place on November 2, 1920. Incumbent Democratic Senator Thomas Gore ran for re-election to a third term. However, he was defeated in the Democratic primary by Congressman Scott Ferris. In the general election, Ferris faced fellow Congressman John W. Harreld, the Republican nominee. Likely helped by Republican presidential nominee Warren G. Harding's victory in Oklahoma over Democratic nominee James M. Cox, Harreld defeated Ferris by a similar margin to Harding's.

Candidates

 * Scott Ferris, U.S. Congressman from Oklahoma's 6th congressional district
 * Thomas Gore, incumbent U.S. Senator

Candidates

 * John W. Harreld, U.S. Congressman from Oklahoma's 5th congressional district
 * James B. Cullison, Oklahoma 21st District Court Judge
 * Albert A. Small, Tulsa businessman
 * Ernest E. Blake, former Assistant Oklahoma City Attorney
 * Edward M. Clark, former State Senator from Payne County and Pawnee County
 * Dynamite Ed Perry
 * C. Lincoln McGuire
 * Ben Thompson, Sapulpa attorney
 * Cash M. Cade
 * N. D. Welty
 * Henry Powers, Oklahoma City police officer
 * Warren D. Lindsey
 * William Tecumseh Clark
 * Summer T. Bisbe

Candidates

 * A. A. Bagwell, former instructor at Henry Kendall College