The 1955 NCAA Men's Division I Ice Hockey Tournament was the 8th such tournament in NCAA history. It was held between March 10 and 12, 1955, and concluded with Michigan defeating Colorado College 5 to 3. All games were played at the Broadmoor Ice Palace in Colorado Springs, Colorado. Four teams qualified for the tournament, two each from the East and West regions. The two best WIHL teams and a Tri-State League representative received bids into the tournament as did one independent school.