1901 Chicago mayoral election

In the Chicago mayoral election of 1901, Democrat Carter Harrison IV was reelected to a third term, defeating Republican nominee Elbridge Hanecy by a 9.5% margin of victory.

The election took place on April 2. Until 2019, no subsequent election had more candidates running on its ballot.

Ahead of the election, there were competitive races to receive the two major party's nominations at their municipal nominating conventions. Mayor Harrison was challenged for the Democratic Party nomination by former governor John Peter Altgeld. However, Altgeld was politically weaker than he once had been, and Harrison easily fended him off. In the March indirect primary to elect the delegates to the city's nominating convention, delegates supporting Harrison won a broad majority. At the convention, Harrison received the party's nomination by acclamation. The Republican Party had a large field of candidates seeking its nomination. Along with Hanecy (who was a judge on the Circuit Court of Cook County), the two other front-running contenders for the Republican nomination were Sanitary District of Chicago president William Boldenweck and former alderman John Maynard Harlan. and incumbent alderman Walter J. Raymer. Other contenders that Henry beat were Judge Marcus Kavanaugh and aldermen William Mavor and Frank T. Fowler. Additionally, Alderman William Hale Thompson had initially declared candidacy, but did not ultimately contest for the nomination at the convention.