The 1944 United States Senate election in Missouri took place on November 7, 1944 in Missouri. Incumbent Democratic Senator Bennett Champ Clark was defeated in the primary by Roy McKittrick, who went on to lose the general election to Republican nominee Forrest C. Donnell. Donnell outperformed presidential candidate Thomas E. Dewey, who lost the state with 48.4% of the vote in the presidential election.
Democratic primary
Candidates
- Bennett Champ Clark, incumbent Senator since 1933
- Roy McKittrick, Attorney General of Missouri
Results
Republican primary
Candidates
- Forrest C. Donnell, Governor of Missouri
- H. Grosby, physician
- Charles P. Noell, lawyer
- Charles E. Rendlen, lawyer
- Charles Shaw, former Mayor of Clayton
- Howard V. Stephens, president of Johnson-Stephen and Shinkle Shoe Company and former member of the St. Louis Board of Police Commissioners
- William McKinley Thomas, International Shoe Company employee
Results
General election
Candidates
- William Wesley Cox, state chairman and nominee for President in 1920 (Socialist Labor)
- Forrest C. Donnell, Governor of Missouri (Republican)
- Roy McKittrick, Attorney General of Missouri (Democratic)
- D. B. Preisler (Socialist)
Results
References


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