The 2019–20 Illinois Fighting Illini women's basketball team represented the University of Illinois during the 2019–20 NCAA Division I women's basketball season. The Fighting Illini, led by third-year head coach Nancy Fahey, played their home games at State Farm Center in Champaign, Illinois as members of the Big Ten Conference. They finished the season 11–19, 2–16 in Big Ten play, to finish in thirteenth place. They lost in the first round of the Big Ten tournament to Wisconsin.

Previous season The Fighting Illini finished the 2018–19 season 10–20, 2–16 in Big Ten play, to finish in last place. They lost in the first round of the Big Ten 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

Source:

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 + Legend   Increase in ranking   Decrease in ranking   Not ranked previous week (RV)   Received votes

See also 2019–20 Illinois Fighting Illini men's basketball team

References