The 2025 Big South men's basketball tournament is the postseason men's basketball tournament that will end the 2024–25 NCAA Division I men's basketball season of the Big South Conference.
[1] It will be held from March 5–9 and played at the Freedom Hall Civic Center in Johnson City, Tennessee.
All of the conference teams will compete in the tournament.
The top seven teams will receive a first-round bye.
Teams are seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.