The 2012–13 West Coast Conference men's basketball season began with practices in October 2012 and ended with the 2013 West Coast Conference men's basketball tournament at the Orleans Arena March 6–11, 2013 in Las Vegas.
The regular season began in November, with the conference schedule starting at the end of December.
The conference began as the California Basketball Association in 1952, became the West Coast Athletic Conference in 1956, and dropped the word "Athletic" in 1989.
This table summarizes the head-to-head results between teams in conference play.
All times listed are Pacific Voting was by conference coaches:[2] [2] [2] [3]