The 2012–13 West Coast Conference women's basketball season began with practices in October 2012 and ended with the 2013 West Coast Conference women'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.
This season was the 28th for WCC women's basketball, which began in the 1985–86 season when the league was known as the West Coast Athletic Conference (WCAC).
It was also the 23rd season under the West Coast Conference name (the conference began as the California Basketball Association in 1952, became the WCAC in 1956, and dropped the word "Athletic" in 1989).
This table summarizes the head-to-head results between teams in conference play.