The 2025 Horizon League Men's Basketball Tournament was the final event of the 2024âÂÂ25 men's basketball season for the Horizon League. It was held from March 4âÂÂ11, 2025; first-round and quarterfinal games were played at the home courts of the higher seeds, with all remaining games at Corteva Coliseum in Indianapolis. The winner, Robert Morris, received the conference's automatic berth into the NCAA Tournament. The tournament was sponsored by Barbasol for the third consecutive year.
All teams in the conference participated in the tournament, with the top five teams receiving byes to the quarterfinals. The bracket is reset after each round so that the lowest remaining seed always plays the highest.