The 2018 Illinois Fighting Illini football team was an American football team that represented the University of Illinois Urbana-Champaign as a member of the Big Ten Conference during the 2018 NCAA Division I FBS football season. In their third season under head coach Lovie Smith, the Fighting Illini compiled a 4–8 record, finished in last place out of seven teams in the Big Ten's West Division, and were outscored by a total of 473 to 312.