The governor of Oklahoma is the head of government of the U.S. state of Oklahoma. Under the Oklahoma Constitution, the governor serves as the head of the Oklahoma executive branch, of the government of Oklahoma. The governor is the ex officio commander-in-chief of the Oklahoma National Guard when not called into federal use. Despite being an executive branch official, the governor also holds legislative and judicial powers. The governor's responsibilities include making yearly "State of the State" addresses to the Oklahoma Legislature, submitting the annual state budget, ensuring that state laws are enforced, and that the peace is preserved. The governor's term is four years in length.

Frank Frantz was an American Rough Rider and politician who served as the seventh and final governor of Oklahoma Territory (1906–07). Frantz ran on the Republican ticket to serve as the first Governor of the State of Oklahoma, but lost the election to Democrat Charles N. Haskell.