| Election Name: | 1940 Ohio gubernatorial election |
| Country: | Ohio |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1938 Ohio gubernatorial election |
| Previous Year: | 1938 |
| Next Election: | 1942 Ohio gubernatorial election |
| Next Year: | 1942 |
| Election Date: | November 5, 1940 |
| Image1: | File:John W. Bricker cph.3b31299.jpg |
| Nominee1: | John W. Bricker |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 1,824,863 |
| Percentage1: | 55.55% |
| Nominee2: | Martin L. Davey |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 1,460,396 |
| Percentage2: | 44.45% |
| Map Size: | 210px |
| Governor | |
| Before Election: | John W. Bricker |
| Before Party: | Republican Party (United States) |
| After Election: | John W. Bricker |
| After Party: | Republican Party (United States) |
The 1940 Ohio gubernatorial election was held on November 5, 1940. Incumbent Republican John W. Bricker defeated Democratic nominee Martin L. Davey with 55.55% of the vote.
Primary elections were held on May 14, 1940.[1]