The 2025 Big Ten women's basketball tournament (branded as the 2025 TIAA Big Ten Women's Basketball Tournament for sponsorship reasons) was a postseason women's basketball tournament for the Big Ten Conference of the 2024âÂÂ25 NCAA Division I women's basketball season which took place from March 5âÂÂ9, 2025. The tournament was held at the Gainbridge Fieldhouse in Indianapolis, Indiana. The tournament winner was UCLA. The Bruins received the conference's automatic bid to the 2025 NCAA Division I women's basketball tournament.
This was the first season in a new tournament format as the conference expanded to 18 teams, following the additions of Oregon, UCLA, USC, and Washington. The top 15 teams participated with the bottom three teams not qualifying for the tournament. The field was announced on March 2, 2025. The top four seeds were USC, UCLA, Ohio State, and Maryland. Purdue, Penn State, and Northwestern did not participate as the lowest three teams in the standings.
The top 15 Big Ten schools participated in the tournament. Teams were seeded by conference record, with a tiebreaker system used to seed teams with identical conference records. The top nine teams received a first round bye and the top four teams received a double bye.
Tiebreakers:
<small>*Game times in EST through the semifinals and EDT for the championship. #Rankings denote tournament seeding.</small>
<nowiki>*</nowiki> denotes overtime period