Bầu cử tổng thống Hoa Kỳ tại Ohio năm 1920

The 1920 United States presidential election in Ohio was held on November 2, 1920, as part of the 1920 United States presidential election. State voters chose 24 electors to the Electoral College, who voted for president and vice president.

Both major-party presidential nominees were from Ohio and each held a statewide elected office there at the time of the presidential election. The Republican candidate, U.S. Senator Warren G. Harding, defeated the Democratic candidate, Governor James M. Cox, in the popular vote handily, 58.47–38.58%. Despite the magnitude of Harding's victory in the state, Ohio voted more than 6% more Democratic than the national average.