2013 Horizon League women's basketball tournament

The 2013 Horizon League women's basketball tournament took place at the end of the 2012–13 regular season. The tournament was won by Green Bay, who defeated Loyola in the championship game.

Seeds
All Horizon League schools played in the tournament. Teams were seeded by 2012–13 Horizon League regular season record, with a tiebreaker system to seed teams with identical conference records. The top 7 teams received a bye to the quarterfinals.