The 2018–19 Illinois Fighting Illini women's basketball team represented the University of Illinois during the 2018–19 NCAA Division I women's basketball season. The Fighting Illini, led by second-year head coach Nancy Fahey, played their home games at State Farm Center as members of the Big Ten Conference. They finished the season 10–20, 2–16 in Big Ten play to finish in last place. They lost in the first round of the Big Ten women's tournament to Purdue.
Roster
Schedule and results
!colspan="9" style=| Non-conference regular season
!colspan="9" style=| Big Ten conference season
!colspan="9" style=| Big Ten Women's Tournament
Rankings
+ Regular season pollsPoll Pre-Season Week2 Week3 Week4 Week5 Week6 Week7 Week8 Week9 Week10 Week11 Week12 Week13 Week14 Week15 Week16 Week17 Week18 Week19 Final AP N/A Coaches RV + Legend Increase in ranking Decrease in ranking Not ranked previous week (RV) Received Votes
See also 2018–19 Illinois Fighting Illini men's basketball team
References