The 2025 NCAA Division I men's basketball tournament will involve 68 teams playing in a single-elimination tournament to determine the National Collegiate Athletic Association (NCAA) Division I men's college basketball national champion for the 2024–25 season.

The 86th annual edition of the tournament will begin on March 18, 2025, and will conclude with the championship game on April 7, at the Alamodome in San Antonio, Texas.

Eight teams (the four-lowest seeded automatic qualifiers and the four lowest-seeded at large-teams) play in the First Four.

[2] As part of a cycle that began in 2016, CBS will televise the 2025 Final Four and the national championship game.

[5] In addition, the March Madness app will offer Fast Break, whiparound coverage of games similar to NFL RedZone on the First weekend of the tournament (First and Second rounds).