1920 United States Senate election in Louisiana

The 1920 United States Senate election in Louisiana was held on November 2, 1920. Incumbent senator Edward J. Gay did not run for re-election.

On September 14, Edwin S. Broussard won the Democratic primary with 45.74% of the vote.

At this time, Louisiana was a one-party state, and the Democratic nomination was tantamount to victory. Broussard won the November general election without an opponent.

Candidates

 * Edwin S. Broussard, Progressive candidate for lieutenant governor in 1916 and brother of former senator Robert F. Broussard
 * Donelson Caffery III, Populist candidate for governor in 1900 and son of former senator Donelson Caffery
 * Jared Y. Sanders Sr., U.S. Representative from Franklin and former governor of Louisiana