2013 NCAA Division III men's ice hockey tournament

It concluded with Wisconsin–Eau Claire defeating Oswego State in the championship game 5–3.

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.

Three at-large bids were available for the highest-ranked non-conference tournament champions (overall seed in parentheses).

In the First Round and Quarterfinals the higher-seeded or ranked team served as host.

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