A general election was held in the U.S. state of Illinois on November 6, 2018. The elections for Illinois's 18 congressional districts, Governor, statewide constitutional officers, Illinois Senate, and Illinois House were held on this date.

The 2018 Illinois gubernatorial election took place on November 6, 2018, to elect the Governor of Illinois, concurrently with the 2018 Illinois general election and other midterm elections. Incumbent Republican Governor Bruce Rauner ran for re-election to a second term in office, but was defeated by Democratic nominee J. B. Pritzker. This was one of eight Republican-held governorships up for election in a state that Hillary Clinton won in the 2016 presidential election.