2008–09 Illinois Fighting Illini men's basketball team

The 2008–09 Illinois Fighting Illini men's basketball team represented University of Illinois at Urbana–Champaign in the 2008–09 NCAA Division I men's basketball season. This was head coach Bruce Weber's sixth season at Illinois.

Schedule
!colspan=12 style=|Exhibition

!colspan=12 style=|Non-conference regular season

!colspan=12 style=|Conference Regular Season

!colspan=12 style=|Big Ten tournament

!colspan=12 style=|NCAA Tournament