The 1988 NCAA Division III men's basketball tournament was the 14th 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 1988, the field included thirty-two teams and the final championship rounds were contested at Calvin College in Grand Rapids, Michigan.

[1] Ohio Wesleyan defeated Scranton, 92–70, to claim their first NCAA Division III national title.