| Year: | 1988–89 |
| Team: | Arizona Wildcats |
| Sport: | Basketball |
| Conference: | Pacific-10 |
| Short Conf: | Pac-10 |
| Coachrank: | 1 |
| Aprank: | 1 |
| Record: | 29–4 |
| Conf Record: | 17–1 |
| Hc Year: | 6th |
| Ac1 Year: | 3rd |
| Ac2 Year: | 1st |
| Arena: | McKale Center (Capacity: 14,545) |
| Champion: | Pacific-10 regular season champions Pacific-10 tournament champions |
| Tourney Result: | Sweet Sixteen |
The 1988–89 Arizona Wildcats men's basketball team represented the University of Arizona. The head coach was Lute Olson. The team played its home games in the McKale Center in Tucson, Arizona, and was a member of the Pacific-10 Conference. In the Pac-10 Basketball Tournament, Arizona beat Stanford by a score of 73–51 to claim its second consecutive Pac-10 title.
|-!colspan=9 style=| Regular season|-!colspan=9 style=| Pac-10 Tournament|-!colspan=9 style=| NCAA Tournament
Seeding in brackets
See main article: 1988–89 NCAA Division I men's basketball rankings. ^Coaches did not release a Week 1 poll.
| Round | Pick | Player | NBA Club |
| 1 | 3 | San Antonio Spurs | |
| 1 | 24 | Phoenix Suns | |