Pac-12 basketball regular season championships in Pac-10+ era (since conference expanded before the 1978-’79 season)

RankSchoolChampsCo-ChampsTotal
1ARIZONA12315
2UCLA11011
3Oregon State325
4tStanford314
4tWashington224
6Oregon213
7tCalifornia101
7tUSC011
9tWashington State000
9tUtah000
9tColorado000
9tArizona State000

Through 2016-’17