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.
John Newbold Camp unsuccessfully sought the Republican nomination, while former governor Raymond D. Gary, then-Tulsa County district attorney and future governor David Hall, attorney general Charles R. Nesbitt, and former state senator Keith Cartwright unsuccessfully sought the Democratic nomination.
After this election, no Republican would be elected Governor of Oklahoma for 20 years.
Primary election
Primary elections were held on May 3, 1966 with runoffs occurring on May 24, 1966. This was the first time the Republican nomination for governor required a runoff.
Republican party
Candidates
- Dewey F. Bartlett, member of Oklahoma Senate
- John N. "Happy" Camp, former member of Oklahoma House of Representatives
- Bruno H. Miller
Democratic party
Candidates
- Keith Cartwright, former member of Oklahoma Senate
- Henry W. Ford, county assessor for Oklahoma County
- Raymond Gary, former governor of Oklahoma (1955-1959)
- Jack K. Gillespie
- Leland Gourley, journalist and former chief of staff for J. Howard Edmondson
- David Hall, district attorney for Tulsa County
- Howard W. Joplin
- Al J. Kavanaugh
- Carmen Moe Marcus
- Preston J. Moore, American Legion leader
- Charles Nesbitt, Attorney General of Oklahoma
- Cleeta John Rogers, member of Oklahoma Senate
- Clifton Wood
General election
Results by county
Osage County would not vote Republican again until 2010.
Counties that flipped from Democratic to Republican
Counties that flipped from Republican to Democratic
- Adair
- Craig
- Marshall
- Mayes
- McClain
- Nowata
- Washita