List of governors of Oklahoma

[1] It had seven governors appointed by the president of the United States.

[24] An amendment in 2010 limited them to eight years in total, retroactively applying to all living former governors.

[26] After Jack C. Walton was impeached and removed in 1923, Lieutenant Governor Martin E. Trapp served in the office for the remainder of the term.

He styled himself "Acting Governor," as the constitution only specified that the powers of the office devolved upon the lieutenant governor, hoping that he would not be prevented from running in the next election.

However, the Oklahoma Supreme Court ruled in 1926 that, in the case of a vacancy in the office, the lieutenant governor becomes governor, and he was ineligible to run for a consecutive term.