The 2020 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. Featuring sixty-four teams, it began on March 6, 2020, following the 2019–20 season, and was to conclude with the championship game on April 5, 2020. Sixteen teams had advanced to the third round at the time the tournament was called off.