2001 NCAA Division III men's basketball tournament

The 2001 NCAA Division III men's basketball tournament was the 27th annual single-elimination tournament to determine the national champions of National Collegiate Athletic Association (NCAA) men's Division III collegiate basketball in the United States.

The field contained forty-eight teams, and each program was allocated to one of four sectionals. All sectional games were played on campus sites, while the national semifinals, third-place final, and championship finals were contested at the Salem Civic Center in Salem, Virginia.

Catholic defeated William Paterson, 76–62, in the championship, clinching their first national title.

The Cardinals (28–5) were coached by Mike Lonergan. Lonergan would later coach at Division I programs Vermont and George Washington.

Pat Maloney, also from Catholic, was named Most Outstanding Player.

National finals

 * Site: Salem Civic Center, Salem, Virginia