The 1991 Hockey East Men's Ice Hockey Tournament was the 7th Tournament in the history of the conference. It was played between February 27 and March 10, 1991. Quarterfinal games were played at home team campus sites, while the final four games were played at the Boston Garden in Boston, Massachusetts, the home venue of the NHL's Boston Bruins. By winning the tournament, Boston University received the Hockey East's automatic bid to the 1991 NCAA Division I Men's Ice Hockey Tournament.