| Election Name: | 1966 Oklahoma gubernatorial election |
| Country: | Oklahoma |
| Flag Image: | Flag of Oklahoma (1941–1988).svg |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1962 Oklahoma gubernatorial election |
| Previous Year: | 1962 |
| Next Election: | 1970 Oklahoma gubernatorial election |
| Next Year: | 1970 |
| Election Date: | November 8, 1966 |
| Nominee1: | Dewey F. Bartlett |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 377,078 |
| Percentage1: | 55.6% |
| Nominee2: | Preston J. Moore |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 296,328 |
| Percentage2: | 43.7% |
| Map Size: | 300px |
| Governor | |
| Before Election: | Henry Bellmon |
| Before Party: | Republican Party (United States) |
| After Election: | Dewey F. Bartlett |
| After Party: | Republican Party (United States) |
The 1966 Oklahoma gubernatorial election was held on November 8, 1966, and was a race for Governor of Oklahoma. Republican Dewey F. Bartlett defeated Democrat Preston J. Moore and Independent H. E. Ingram.[1] John Newbold Camp unsuccessfully sought the Republican nomination, while Raymond D. Gary, David Hall, and Charles R. Nesbitt unsuccessfully sought the Democratic nomination.
After this election, no Republican would be elected Governor of Oklahoma for 20 years.