The 2018 Oklahoma gubernatorial election was held on November 6, 2018, to elect the next governor of Oklahoma. Incumbent Republican Governor Mary Fallin was term-limited, and is prohibited by the Constitution of Oklahoma from seeking a third consecutive term. Republican Businessman Kevin Stitt was elected elected with 54.3% of the vote, defeating Democratic nominee and former Oklahoma attorney general Drew Edmondson.

Mary Fallin is an American politician who served as the 27th governor of Oklahoma from 2011 to 2019. A member of the Republican Party, she was elected in 2010 and reelected in 2014. She is the first and so far only woman to be elected governor of Oklahoma. She was the first woman to represent Oklahoma in Congress since Alice Mary Robertson left office in 1923.