This is a list of annual Pac-12 Conference football champions. Co-champions are listed with the conference's Rose Bowl representative first. Pacific Coast Conference results are included. Since 2011, the Pac-12 Football Championship Game has determined the champion. PCC champions were awarded the Schwabacher Trophy.
The following teams have been designated as champions by the conference.
^ Though they did not win the conference title, Washington was selected national champions by multiple major selectors.
† The NCAA sanctioned USC in June, 2010 for violations in the football, men's basketball, and women's tennis programs. USC football vacated two wins from their final two games of the 2004 season (one conference game and a bowl game) and all 12 wins from the 2005 season, as well as the conference titles from both years. Their 2004 BCS National Championship was vacated, while their 2004 Associated Press title was not removed.
^ USC's 2004 and 2005 Pacific-10 Conference titles were vacated
Since 2011, the Pac-12 Football Championship Game has determined the conference champion. The game matches the highest-placed team from the North and South Divisions. From inauguration until 2017, the North Division representative won every championship game.
† - Shared championship
Bold - Championship game participant
† - Shared championship
Bold - Championship game participant
‡ - UCLA won the 2011 title as USC was ineligible for postseason play