2018 Ohio Attorney General election
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| Turnout | 55.79% 15.14pp | ||||||||||||||||
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| Yost:      50–60%      60–70%      70–80%      80–90%      >90% Dettelbach: 50–60% 60–70% 70–80% 80–90% >90% Tie: 50% No votes | |||||||||||||||||
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| Elections in Ohio | 
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The 2018 Ohio Attorney General election took place on November 6, 2018, to elect the attorney general of Ohio.
Incumbent Attorney General Mike DeWine was term-limited and ran for governor. Republican nominee and Ohio State Auditor Dave Yost defeated Democratic nominee and former US Attorney Steve Dettelbach in the general election.