1988–89 Southwest Missouri State Bears basketball team

The 1988–89 Southwest Missouri State Bears basketball team represented Southwest Missouri State University in National Collegiate Athletic Association (NCAA) Division I men's basketball during the 1988–89 season. Playing in the Summit League (AMCU-8) and led by head coach Charlie Spoonhour, the Bears finished the season with a 21–10 overall record and won the AMCU-8 regular season and conference tournament titles. Southwest Missouri State lost to Seton Hall in the opening round of the NCAA tournament.

Schedule and results
!colspan=9| Regular season

!colspan=9| 1989 AMCU-8 men's basketball tournament

!colspan=10| 1989 NCAA Division I men's basketball tournament