The 1999 NCAA Division II men's basketball tournament was the 43rd annual single-elimination tournament to determine the national champion of men's NCAA Division II college basketball in the United States. Officially culminating the , the tournament featured forty-eight teams from around the country. The Elite Eight, national semifinals, and championship were again played at the Commonwealth Convention Center in Louisville, Kentucky. Kentucky Wesleyan was coached by Ray Harper. For the second consecutive year, KWC's Antonio Garcia was the Most Outstanding Player.