1989–90 Oregon State Beavers men's basketball team

The 1989–90 Oregon State Beavers men's basketball team represented Oregon State University in Corvallis, Oregon in the 1989–90 season.

Led by first year head coach Jim Anderson and Pac-10 Player of the Year Gary Payton, the Beavers would earn the crown for the Pac 10 regular season. The Beavers were invited to the NCAA tournament, where they lost in the first round to Ball State. It would be the Beavers' last trip to the "Big Dance" until 2016.

After this season, Payton would enter the NBA draft, and begin what would later become a hall of fame NBA Career.

Schedule and results
!colspan=12 style=| Regular season

!colspan=12 style=| Pac-10 Tournament

!colspan=12 style=| NCAA Tournament

Sources

Awards and honors

 * Gary Payton – Pac-10 Player of the Year and Consensus First-team All-American
 * Jim Anderson – Pac-10 Coach of the Year