1983 NCAA Division III men's basketball tournament

The 1983 NCAA Division III men's basketball tournament was the ninth 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 1983, the field included 32 teams and the final championship rounds were contested at Calvin College in Grand Rapids, Michigan.

Scranton defeated Wittenberg, 64–63, to claim their second national title.