The 1955–56 Michigan Wolverines men's ice hockey team represented the University of Michigan in college ice hockey. In its 12th year under head coach Vic Heyliger, the team compiled a 20–2–1 record, outscored opponents 109 to 49, and won the 1956 NCAA Division I Men's Ice Hockey Tournament. The Wolverines defeated St. Lawrence 2–1 in overtime in the first round of the Frozen Four. They then defeated Michigan Tech by a 7–5 score in the championship game at Broadmoor Arena in Colorado Springs, Colorado. The 1956 championship was Michigan's sixth NCAA hockey championship in nine years.