List of Illinois Fighting Illini head football coaches

The Illinois Fighting Illini college football team represents the University of Illinois Urbana-Champaign in the West Division of the Big Ten Conference (Big 10). The Fighting Illini compete as part of the National Collegiate Athletic Association (NCAA) Division I Football Bowl Subdivision. The program has had 27 head coaches, and two interim head coaches, since it began play during the 1890 season. Since December 2020, Bret Bielema has served as head coach at Illinois.

Eleven coaches have led Illinois in postseason bowl games: Ray Eliot, Pete Elliott, Mike White, John Mackovic, Lou Tepper, Ron Turner, Ron Zook, Vic Koenning, Tim Beckman, Lovie Smith, and Bielema. Seven of coaches also won conference championships: Arthur R. Hall, Robert Zuppke, Eliot, Elliott, White, Mackovic, and Turner a member of the Big 10. Zuppke won four and Eliot one national championships as head coach of the Fighting Illini.

Zuppke is the leader in seasons coached, with 29 years as head coach, games coached with 224, and games won with 131. Robert Lackey has the highest winning percentage of those who have coached more than one game at 0.833. Scott Williams has the lowest winning percentage of those who have coached more than one game, with 0.333. Of the 27 different head coaches who have led Illinois, Edward K. Hall, George Washington Woodruff, Zuppke, Elliott, and Bob Blackman have been inducted into the College Football Hall of Fame.