| Year: | 1989–90 |
| Team: | Purdue Boilermakers |
| Sport: | Basketball |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Coachrank: | 10 |
| Aprank: | 10 |
| Record: | 22–8 |
| Conf Record: | 13–5 |
| Hc Year: | 10th |
| Ac1 Year: | 10th |
| Asst Coach2: | Tom Reiter |
| Ac2 Year: | 4th |
| Ac3 Year: | 2nd |
| Tourney Result: | second round |
The 1989–90 Purdue Boilermakers men's basketball team represented Purdue University during the 1989–90 college basketball season. Led by head coach Gene Keady, the team finished second in the Big Ten regular season standings. The Boilermakers earned the #2 seed in the Midwest Region of the NCAA tournament, but were upset in the second round by Texas, finishing the season with a 22–8 record (13-5 Big Ten).
|-!colspan=6 style=| Regular Season|-!colspan=6 style=| NCAA Tournament[1]
See main article: 1989–90 NCAA Division I men's basketball rankings.
See main article: 1990 NBA draft.
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