| Election Name: | 1966 Rhode Island gubernatorial election |
| Country: | Rhode Island |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1964 Rhode Island gubernatorial election |
| Previous Year: | 1964 |
| Next Election: | 1968 Rhode Island gubernatorial election |
| Next Year: | 1968 |
| Election Date: | November 8, 1966 |
| Image1: | File:J.L. 3814 John H. Chafee, 1969 (cropped).jpg |
| Nominee1: | John Chafee |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 210,202 |
| Percentage1: | 63.30% |
| Nominee2: | Horace E. Hobbs |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 121,862 |
| Percentage2: | 36.70% |
| Governor | |
| Before Election: | John Chafee |
| Before Party: | Republican Party (United States) |
| After Election: | John Chafee |
| After Party: | Republican Party (United States) |
The 1966 Rhode Island gubernatorial election was held on November 8, 1966. Incumbent Republican John Chafee defeated Democratic nominee Horace E. Hobbs with 63.30% of the vote.