- Source: 1940 Missouri lieutenant gubernatorial election
- 1940 Missouri lieutenant gubernatorial election
- 2024 Missouri lieutenant gubernatorial election
- 2024 Missouri gubernatorial election
- 2012 Missouri gubernatorial election
- 2020 Missouri lieutenant gubernatorial election
- 2012 Missouri lieutenant gubernatorial election
- 1972 Missouri gubernatorial election
- 2004 Missouri lieutenant gubernatorial election
- 1828 Missouri lieutenant gubernatorial election
- 2008 Missouri lieutenant gubernatorial election
The 1940 Missouri lieutenant gubernatorial election was held on November 5, 1940. Democratic incumbent Frank Gaines Harris defeated Republican nominee William P. Elmer with 51.95% of the vote.
Primary elections
Primary elections were held on August 6, 1940.
= Democratic primary
=Candidates
Frank Gaines Harris, incumbent Lieutenant Governor
John G. Christy
Dan D. Porter
Results
= Republican primary
=Candidates
William P. Elmer, former State Representative
James E. Ford
Julius J. Scheske
George Bartholomaeus
Results
General election
= Candidates
=Major party candidates
Frank Gaines Harris, Democratic
William P. Elmer, Republican
Other candidates
Ada M. Demaree, Socialist
William J. Cady, Prohibition
Michael L. Hiltner, Socialist Labor