1918 United States Senate election in Iowa

The 1918 United States Senate election in Iowa took place on November 5, 1918. Incumbent Republican Senator William S. Kenyon was re-elected to a second term in office over Democrat Charles Rollin Keyes.

Candidates

 * William S. Kenyon, incumbent U.S. Senator since 1911 (Republican)
 * Charles Rollin Keyes, geologist and ornithologist (Democratic)