2023 NCAA Division I men's ice hockey tournament

The 2023 NCAA Division I men's ice hockey tournament was the national championship tournament for men's college ice hockey in the United States held from March 23-April 8, 2023. 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 finals—were hosted by the University of Wisconsin–Madison and Tampa Bay Sports Commission at the Amalie Arena in Tampa, Florida.

Quinnipiac defeated Minnesota 3–2 in overtime to win the program's first NCAA title.

Tournament procedure
The tournament is composed of four groups of four teams in regional brackets. The four regionals are officially named after their geographic areas. The following are the sites for the 2023 regionals: Regional semifinals and finals
 * March 23 & 25
 * East Regional, SNHU Arena – Manchester, New Hampshire (Host: New Hampshire)
 * West Regional, Scheels Arena – Fargo, North Dakota (Host: North Dakota)


 * March 24 & 26
 * Northeast Regional, Total Mortgage Arena – Bridgeport, Connecticut (Hosts: Yale and Sacred Heart)
 * Midwest Regional, PPL Center – Allentown, Pennsylvania (Host: Penn State)

National semifinals and championship (Frozen Four and championship)
 * April 6–8
 * Amalie Arena – Tampa, Florida (Host: Wisconsin)

Qualifying teams
The at-large bids and seeding for each team in the tournament was announced on March 19, 2023 on ESPNU.

The Big Ten and ECAC each received four, the NCHC received three, the CCHA and Hockey East both received two, and one team from Atlantic Hockey received a berth.

Number in parentheses denotes overall seed in the tournament.

Bracket
* denotes overtime period

Results
Note: All game times are local.

All-Tournament team
* Most Outstanding Player
 * G: Yaniv Perets (Quinnipiac)
 * D: Zach Metsa (Quinnipiac)
 * D: Luke Mittelstadt (Minnesota)
 * F: Logan Cooley (Minnesota)
 * F: Collin Graf (Quinnipiac)
 * F: Jacob Quillan* (Quinnipiac)

Television
ESPN had US television rights to all games during the tournament for the eighteenth consecutive year. ESPN aired every game, beginning with the regionals, on ESPN2, ESPNews, or ESPNU. Additionally all matches were streamed online via the ESPN app.

Broadcast assignments
Regionals
 * East Regional: Drew Carter and Paul Caponigri – Manchester, New Hampshire
 * West Regional: Roxy Bernstein and Ben Clymer – Fargo, North Dakota
 * Northeast Regional: John Buccigross and Colby Cohen – Bridgeport, Connecticut
 * Midwest Regional: Clay Matvick and Sean Ritchlin – Allentown, Pennsylvania

Frozen Four
 * John Buccigross, Barry Melrose, Colby Cohen, and Victoria Arlen – Tampa, Florida

Radio
Westwood One has exclusive radio rights to the Frozen Four and will broadcast both the semifinals and the championship.
 * Brian Tripp, Dave Starman, and Shireen Saski