The 2004 NCAA Men's Division I Ice Hockey Tournament involved 16 schools playing in single-elimination play to determine the national champion of men's NCAADivision Icollegeice hockey. It began on March 26, 2004, and ended with the championship game on April 10. A total of 15 games were played.
The University of Denver, coached by George Gwozdecky, won its sixth national title with a 1-0 victory in the final game over the University of Maine, coached by Tim Whitehead before a record crowd of over 18,000 people at Boston's FleetCenter (now known as the TD Garden). While Denver's Gabe Gauthier scored the game's only goal, the game is best remembered for Denver surviving Maine's six skaters to three skaters advantage in the final 90 seconds of the contest.