The 2013 American Ultimate Disc League season was the second season for the league. Each team played a 16-game schedule. The Toronto Rush won the AUDL Championship II over the Madison Radicals in Chicago, IL. The Rush completed the first undefeated season in AUDL history, going 16-0 in the regular season and winning both playoff games.
<small> T indicates top seed in the playoffs. P indicates a team advanced to the playoffs</small>