The 1999–2000 NCAA Division I men's ice hockey season began on October 1, 1999, and concluded with the 2000 NCAA Division I Men's Ice Hockey Tournament's championship game on April 8, 2000, at the Providence Civic Center in Providence, Rhode Island. This was the 53rd season in which an NCAA ice hockey championship was held and is the 106th year overall where an NCAA school fielded a team.