The 1972–73 NCAA University Division men's ice hockey season began in November 1972 and concluded with the 1973 NCAA University Division Men's Ice Hockey Tournament's championship game on March 17, 1973 at the Boston Garden in Boston, Massachusetts. This was the 26th season in which an NCAA ice hockey championship was held and is the 79th year overall where an NCAA school fielded a team. After the season Denver's participation in the NCAA tournament was vacated due to violations of NCAA regulations.