The 1892 Illinois gubernatorial election was held on November 8, 1892.
Incumbent Republican Governor Joseph W. Fifer was defeated by Democratic nominee John Peter Altgeld who won 48.74% of the vote. Altgeld was the first Democratic Governor of Illinois elected since 1852, before the foundation of the Republican Party.
The Democratic state convention was held on April 27, 1892, at Springfield.
The Republican state convention was held on May 4 and 5, 1892 at Springfield.