2017 NCAA Division III men's ice hockey tournament

All First Round and Quarterfinal matchups were held at home team venues, while all succeeding games were played at the Utica Memorial Auditorium in Utica, New York.

Four at-large bids were available for the highest-ranked non-automatic qualifiers (overall seed in parentheses).

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.

The winner between the fourth- and fifth-seeded eastern teams would play the victor of the first- and eighth-seeded match while the winner between the third- and sixth-seeded eastern teams would play the victor of the second- and seventh-seeded match.

Note: * denotes overtime period(s) [1] * Most Outstanding Player(s)