1860 United States presidential election in Illinois

The 1860 United States presidential election in Illinois took place on November 6, 1860, as part of the 1860 United States presidential election. Illinois voters chose 11 representatives, or electors, to the Electoral College, who voted for president and vice president.

Illinois was the home state of both major party nominees, Republican candidate and former Whig congressman Abraham Lincoln as well as Democratic candidate Senator Stephen A. Douglas. Lincoln's running mate was Senator Hannibal Hamlin of Maine while Douglas' running mate was 41st Governor of Georgia Herschel V. Johnson.

Abraham Lincoln would win Illinois by a narrow margin of 3.52%.

Liberty Party running under the name Union Party's candidate Gerrit Smith received 35 of his 171 popular votes in Illinois alone. The other 136 votes came from Ohio. Pope County has voted Democratic twice since this election (in 1992 and 1996) and Johnson County has done so once (in 1992). However, this is the last time either county gave a majority to the Democratic nominee.