1990 NCAA Division III men's basketball tournament

The 1990 NCAA Division III men's basketball tournament was the 16th 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.

Held during March 1990, the field included forty teams. The championship rounds were again contested in Springfield, Ohio.

Rochester defeated DePauw, 43–42, to clinch their first NCAA Division III national title.

National finals

 * Site: Springfield, Ohio