The 2018 NCAA Division I men's ice hockey tournament was the national championship tournament for men's college ice hockey in the United States. The tournament involved 16 teams in single-elimination play to determine the national champion at the Division I level of the National Collegiate Athletic Association (NCAA), the highest level of competition in college hockey. The tournament's Frozen Four – the semifinals and final – were hosted by the University of Minnesota at the Xcel Energy Center in St. Paul, Minnesota from April 5–7, 2018.