Tony McCombie is an American realtor, politician, and the Republican Minority Leader of the Illinois House of Representatives. She represents the 89th district. The 89th district consists of all or parts of Carroll, DeKalb, Jo Daviess, Ogle, Stephenson, Winnebago counties in northwestern Illinois. A member of the Illinois House since 2017, she represented the 71st district prior to the 2021 decennial redistricting.

The Illinois Republican Party is the affiliate of the Republican Party in the U.S. state of Illinois founded on May 29, 1856. It is run by the Illinois Republican State Central Committee, which consists of 18 members, one representing each of the state's congressional districts. Once the dominant party in Illinois, the state GOP has become a minority party within the last few decades, holding little power in the state. The current chairman is Don Tracy, who has served since 2021.