1942 United States Senate election in Iowa

The 1942 United States Senate election in Iowa took place on November 3, 1942. Incumbent Democratic Senator Clyde Herring ran for re-election to a second term but was defeated by Republican Governor George A. Wilson.

Candidates

 * Clyde Herring, incumbent Senator since 1937 and former Governor
 * Ernest J. Seemann, perennial candidate

Results
After losing the primary, Seemann entered the general election on the "Progressive New Dealer" ticket.

Candidates

 * G. Scott Davies
 * James I. Dolliver, member of the Fort Dodge Board of Education, former County Attorney for Webster County, and nephew of former Senator Jonathan P. Dolliver
 * Mark G. Thornburg, Iowa Secretary of Agriculture since 1939
 * George A. Wilson, Governor of Iowa since 1939