The 1989–90 California Golden Bears men's basketball team represented the University of California, Berkeley as a member of the Pacific-10 Conference during the 1989–90 season.
Led by fourth-year head coach Lou Campanelli, the Bears finished the season with a record of 22–10, and a record of 12–6 in the Pac-10, placing them third.
The Bears received an at-large bid to the NCAA tournament as No.
After defeating Indiana in the opening round, Cal fell to No.
1 seed Connecticut in the second round.