The 2015–16 Pac-12 Conference men's basketball season began with practices in October 2015 and ended with the 2016 Pac-12 Conference men's basketball tournament in March 2016 at the MGM Grand Garden Arena in Paradise, Nevada.
The regular season began on the first weekend of November 2015, with the conference schedule starting in December 2015.
It had four teams ranked in the preseason AP Poll and one other receiving votes.
This table summarizes the head-to-head results between teams in conference play.
The conference tournament is scheduled for Wednesday–Saturday March, 9-12, 2016 at the MGM Grand Garden Arena located in Paradise, Nevada.