1988–89 Ball State Cardinals men's basketball team

The 1988–89 Ball State Cardinals men's basketball team represented Ball State University as a member of the Mid-American Conference during the 1988–89 NCAA Division I men's basketball season. Led by second-year head coach Rick Majerus, Ball State played stifling defense en route to one of the best seasons in the school's history, including a school-record 29 wins and the first NCAA Tournament win in program history. The Cardinals won MAC regular season and tournament titles, advanced to the second round of the NCAA tournament, and finished the season with a 29–3 record (14–2 MAC).

Schedule and results
!colspan=9 style=| Non-conference regular season

!colspan=9 style=| MAC regular season

!colspan=9 style=| MAC tournament

!colspan=9 style=| NCAA tournament

Source