2006 ECAC Hockey men's ice hockey tournament

The 2006 ECAC Hockey Men's Ice Hockey Tournament was the 45th tournament in conference history. It was played between March 3 and March 18, 2006. Opening round and quarterfinal games were played at home team campus sites, while the final four games were played at the Pepsi Arena (subsequently renamed Times Union Center) in Albany, New York. By winning the tournament, Harvard received the ECAC's automatic bid to the 2006 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
Teams are reseeded after the First Round and Quarterfinals

Note: * denotes overtime period(s)

All-Tournament Team
* Most Outstanding Player(s)
 * F Kevin Du (Harvard)
 * F Jimmy Fraser (Harvard)
 * F Dan Murphy (Harvard)
 * D Ryan O'Byrne (Cornell)
 * D Dylan Reese (Harvard)
 * G John Dagineau* (Harvard)

Tournament notes

 * Yale's five overtime win over Union remains the second longest game in tournament history