1908 United States presidential election in Illinois

The 1908 United States presidential election in Illinois took place on November 3, 1908. All contemporary 46 states were part of the 1908 United States presidential election. State voters chose 27 electors to the Electoral College, which selected the president and vice president.

Illinois was won by the Republican nominees, former Secretary of War William Howard Taft of Ohio and his running mate James S. Sherman of New York. They defeated the Democratic nominees, former representative William Jennings Bryan of Nebraska and his running with John W. Kern, a former Indiana state senator. Taft won the state by a margin of 15.51%.

In this election, Illinois voted 6.97% to the right of the nation at-large.

Bryan had previously lost Illinois to William McKinley in both 1896 and 1900.