2005 Hockey East men's ice hockey tournament

The 2005 Hockey East Men's Ice Hockey Tournament was the 21st Tournament in the history of the conference. It was played between March 10 and March 19, 2005. Quarterfinal games were played at home team campus sites, while the final four games were played at the Fleet Center in Boston, Massachusetts, the home venue of the NHL's Boston Bruins. By winning the tournament Boston College received the Hockey East's automatic bid to the 2005 NCAA Division I Men's Ice Hockey Tournament.

Format
The tournament featured three rounds of play. The team that finishes ninth in the conference is not eligible for tournament play. In the first round, the first and eighth seeds, the second and seventh seeds, the third seed and sixth seeds, and the fourth seed and fifth seeds played a best-of-three with the winner advancing to the semifinals. In the semifinals, the highest and lowest seeds and second highest and second lowest seeds play a single-elimination game, with the winner advancing to the championship game. The tournament champion receives an automatic bid to the 2005 NCAA Division I Men's Ice Hockey Tournament.

Conference standings
Note: GP = Games played; W = Wins; L = Losses; T = Ties; PTS = Points; GF = Goals For; GA = Goals Against

Bracket
Note: * denotes overtime period(s)

All-Tournament Team
* Tournament MVP(s)
 * F Brian Boyle* (Boston College)
 * F Preston Callander (New Hampshire)
 * F Daniel Winnik (New Hampshire)
 * D Andrew Alberts (Boston College)
 * D Brian Yandle (New Hampshire)
 * G Cory Schneider (Boston College)

Tournament Three Stars

 * 3 Preston Callander (New Hampshire)
 * 2 Cory Schneider (Boston College)
 * 1 Brian Boyle (Boston College)