2018 NCAA Division III men's ice hockey tournament

It concluded with St. Norbert defeating Salve Regina in the championship game 3-2 in double overtime.

All First Round and Quarterfinal matchups were held at home team venues, while all succeeding games were played at the Herb Brooks Arena in Lake Placid, New York.

Twelve teams qualified for the tournament in the following ways: (Pool A) seven teams received bids as a result of being conference tournament champions from conferences that possessed an automatic bid.

(Pool C) four teams from conferences that possessed an automatic bid received at-large invitations based upon their records.

The top two teams from each region were placed in separate quarterfinal brackets and then arranged so that were all to reach the semifinals the top western seed would play the second eastern seed and vice versa.