1946 United States Senate election in Missouri

The 1946 United States Senate election in Missouri was held on November 5, 1946.

Incumbent Democratic Senator Frank P. Briggs, who was appointed to fill the vacancy left by President Harry S. Truman, ran for election to a full term in office, but was defeated by Republican James Kem.

Candidates

 * Frank P. Briggs, incumbent Senator since 1945
 * Marvin Casteel
 * James Patrick Quinn
 * Robert I. Young, perennial candidate

Candidates

 * William P. Elmer, U.S. Representative from Salem
 * Herman G. Grosby
 * James P. Kem, corporate attorney and Chairman of the Jackson County Republican Committee
 * Ray Mabee, former State Senator from Unionville
 * William McKinley Thomas, perennial candidate