The 1989 NCAA Division I Men's Ice Hockey Tournament was the culmination of the 1988–89 NCAA Division I men's ice hockey season, the 42nd such tournament in NCAA history. It was held between March 17 and April 1, 1989, and concluded with Harvard defeating Minnesota 4-3 in overtime. All First Round and Quarterfinals matchups were held at home team venues with the 'Frozen Four' games being played at the St. Paul Civic Center in St. Paul, Minnesota.