| Election Name: | 1918 Iowa gubernatorial election |
| Country: | Iowa |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1916 Iowa gubernatorial election |
| Previous Year: | 1916 |
| Next Election: | 1920 Iowa gubernatorial election |
| Next Year: | 1920 |
| Election Date: | November 5, 1918 |
| Image1: | William Lloyd Harding in 1915 (1).jpg |
| Nominee1: | William L. Harding |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 192,662 |
| Percentage1: | 50.55% |
| Nominee2: | Claude R. Porter |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 178,815 |
| Percentage2: | 46.92% |
| Map Size: | 240px |
| Governor | |
| Before Election: | William L. Harding |
| Before Party: | Republican Party (United States) |
| After Election: | William L. Harding |
| After Party: | Republican Party (United States) |
The 1918 Iowa gubernatorial election was held on November 5, 1918. Republican nominee William L. Harding defeated Democratic nominee Claude R. Porter with 50.55% of the vote.
Major party candidates
Other candidates