The 2025 Big West Conference men's basketball tournament will be the postseason men's basketball tournament for the Big West Conference of the 2024–25 NCAA Division I men's basketball season.
It will be held March 12–15, 2025, at the Lee's Family Forum in Henderson, Nevada.
[1] The winner will receive the conference's automatic bid to the 2025 NCAA tournament.
Only the top eight teams in the conference will qualify for the tournament.
Teams will be seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.