The 2000–01 Illinois Fighting Illini men's basketball team represented the University of Illinois at Urbana–Champaign in the 2000–01 NCAA Division I men's basketball season. Led by first year head coach Bill Self, the Illini played their home games at Assmbly Hall in Champaign, Illinois and were members of the Big Ten Conference. They finished the season with a record of 27–8, 13–3 in Big Ten play to win a share of the Big Ten regular season title with Michigan State. They lost in the semifinals of the Big Ten Tournament to Indiana. They received an at-large bid to the NCAA Tournament as the No. 1 seed in the Midwest Region. They advanced to the Elite Eight before losing to Arizona.