2009 NCAA Division III men's ice hockey tournament

It concluded with Neumann defeating Gustavus Adolphus in the championship game 4-1.

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.

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

The higher-ranked team served as host for all first round and quarterfinal meetings.

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