The 2024 NCAA Division III men's basketball tournament was a single-elimination tournament to determine the national champion of men's NCAA Division III college basketball in the United States, the culmination of the 2023–24 NCAA Division III men's basketball season.

The first four rounds were played on campus sites while the national and semifinal championship rounds were held at the Allen County War Memorial Coliseum in Fort Wayne, Indiana from March 14–16, 2024.

In their first–ever Division III tournament, Trine won the national championship, beating Hampden–Sydney 69–61.

Five teams made their first appearances in the NCAA Division III tournament: Geneva, Mary Baldwin, Roger Williams, SUNY New Paltz, and Trine.

[2] The following 22 teams were awarded qualification for the tournament field by the NCAA Division III Men's Basketball Committee.