1989–90 Arizona Wildcats men's basketball team

The 1989–90 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 UCLA by a score of 94–78 to claim its third consecutive Pac-10 title.

Schedule and results
!colspan=9 style=| Regular season

!colspan=9 style=| Pac-10 Tournament

!colspan=9 style=| NCAA Tournament


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Awards and honors

 * Jud Buechler, Pacific-10 Conference men's basketball tournament Most Valuable Player