| Election Name: | 1956 Ohio gubernatorial election |
| Country: | Ohio |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1954 Ohio gubernatorial election |
| Previous Year: | 1954 |
| Next Election: | 1958 Ohio gubernatorial election |
| Next Year: | 1958 |
| Election Date: | November 6, 1956 |
| Image1: | File:C. William O'Neill (OH).png |
| Nominee1: | C. William O'Neill |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 1,984,988 |
| Percentage1: | 56.04% |
| Nominee2: | Michael DiSalle |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 1,557,103 |
| Percentage2: | 43.96% |
| Map Size: | 210px |
| Governor | |
| Before Party: | Democratic Party (United States) |
| After Party: | Republican Party (United States) |
The 1956 Ohio gubernatorial election was held on November 6, 1956. Republican nominee C. William O'Neill defeated Democratic nominee Michael DiSalle with 56.04% of the vote.
Primary elections were held on May 8, 1956.[1]