2019–20 Illinois Fighting Illini men's basketball team

The 2019–20 Illinois Fighting Illini men's basketball team represented the University of Illinois at Urbana–Champaign in the 2019–20 NCAA Division I men's basketball season. Led by third-year head coach Brad Underwood, the Illini played their home games at State Farm Center in Champaign, Illinois as members of the Big Ten Conference. The Illini finished the season 21–10, 13–7 in Big Ten play to finish in fourth place. Their season ended following the cancellation of postseason tournaments due to the COVID-19 pandemic.

Previous season
The Illini finished the 2018–19 season 12–21, 7–13 in Big Ten play and finished in a three-way tie for 10th place. Due to the tie-breaking rules, they received the No. 11 seed in the Big Ten tournament where they defeated Northwestern in the first round before losing to Iowa in the second round.

Offseason
The Illini took a trip to Italy and compiled a 3-1 record, beating the three Italian teams they faced and losing to the Dutch team. Cockburn and Feliz did not come on the trip due to visa issues.

Roster
Note: Alan Griffin would later be removed from the roster site due to transferring out of the program.

Schedule and results
!colspan=9 style="background:#; color:#;"|Italy Trip

!colspan=9 style="background:#; color:#;"|Exhibition

!colspan=9 style="background:#; color:#;"|Regular season

!colspan=9 style="background:#; color:#;"|Big Ten tournament !colspan=9 style=|Canceled !colspan=9 style="background:#; color:#;"|NCAA Tournament !colspan=9 style=|Canceled

Source

Rankings
* AP does not release post-NCAA Tournament rankings