The 1892 United States presidential election in Ohio was held on November 8, 1892. State voters chose 23 electors to the Electoral College, who voted for president and vice president.

The 2020 United States presidential election in Ohio was held on Tuesday, November 3, 2020, as part of the 2020 United States presidential election in which all 50 states plus the District of Columbia participated. Ohio voters chose electors to represent them in the Electoral College via a popular vote, pitting the Republican Party's nominee—incumbent President Donald Trump and his running mate, Vice President Mike Pence—against the Democratic Party nominee, former Vice President Joe Biden and his running mate, California Senator Kamala Harris. Ohio had 18 electoral votes in the Electoral College.