The 2013 Pacific Life Pac-12 Conference men's basketball tournament was played March 13–16 at the MGM Grand Garden Arena in Paradise, Nevada.

[2] The UCLA Bruins, regular season champions, were named as the No.

Oregon defeated UCLA for the tournament championship.

The top four seeds received a first-round bye.

Induction for the Hall of Honor on March 16, 2013 were: Jason Gardner (Arizona), Dennis Hamilton (Arizona State), Shareef Abdur-Rahim (California), Cliff Meely (Colorado), Chuck Rask (Oregon), Charlie Sitton (Oregon State), Ron Tomsic (Stanford), Lucius Allen (UCLA), Forrest Twogood (USC), Keith Van Horn (Utah), Nate Robinson (Washington) and Jim Keen (Washington State).