| Election Name: | 1918 Connecticut gubernatorial election |
| Country: | Connecticut |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1916 Connecticut gubernatorial election |
| Previous Year: | 1916 |
| Next Election: | 1920 Connecticut gubernatorial election |
| Next Year: | 1920 |
| Election Date: | November 5, 1918 |
| Nominee1: | Marcus H. Holcomb |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 84,891 |
| Percentage1: | 50.72% |
| Nominee2: | Thomas J. Spellacy |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 76,773 |
| Percentage2: | 45.87% |
| Map Size: | 200px |
| Governor | |
| Before Election: | Marcus H. Holcomb |
| Before Party: | Republican Party (United States) |
| After Election: | Marcus H. Holcomb |
| After Party: | Republican Party (United States) |
The 1918 Connecticut gubernatorial election was held on November 5, 1918. Incumbent Republican Marcus H. Holcomb defeated Democratic nominee Thomas J. Spellacy with 50.72% of the vote.
Major party candidates
Other candidates