The 1977 NCAA Division I men's ice hockey tournament was the 30th such tournament in NCAA history. It was held between March 20 and 26, 1977, and concluded with Wisconsin defeating Michigan 6 to 5 in overtime. The first round game were held at the home team venue while all succeeding games were played at the Olympia Stadium in Detroit, Michigan. For the first time the tournament was expanded beyond 4 teams. The NCAA selection committee granted themselves the ability to add an additional 4 teams to the tournament beyond the two tournament finalists from both the ECAC and WCHA. The NCAA selection committee chose to include the CCHA tournament champion for this year.