The 2004–05 NCAA Division I men's ice hockey season began on October 3, 2004 and concluded with the 2005 NCAA Division I Men's Ice Hockey Tournament's championship game on April 9, 2005 at the Value City Arena in Columbus, Ohio. This was the 58th season in which an NCAA ice hockey championship was held and is the 111th year overall where an NCAA school fielded a team.

The Michigan Wolverines men's ice hockey team is the college ice hockey team that represents the University of Michigan in Ann Arbor, Michigan. Earning varsity status in 1922, the program has competed in 102 seasons. Between 1959 and 1981, the team competed in the Western Collegiate Hockey Association (WCHA) before joining the Central Collegiate Hockey Association (CCHA) until the 2012–13 season. Since the 2013–14 season, the Wolverines have competed in the Big Ten, which began sponsoring hockey.