The 2015 Big Ten women's basketball tournament was held from March 4–8, 2015 at the Sears Centre in Hoffman Estates, IL.
All 14 Big Ten schools participate in the tournament.
Teams were seeded by 2014–15 Big Ten Conference season record.
The top 10 teams received a first-round bye and the top 4 teams received a double bye.
Seeding for the tournament was determined at the close of the regular conference season: *Game times in Central Time.