The 1975 ECAC Hockey Men's Ice Hockey Tournament was the 14th tournament in league history. It was played between March 4 and March 8, 1975. Quarterfinal games were played at home team campus sites, while the 'final four' games were played at the Boston Garden in Boston, Massachusetts. By reaching the championship game both, Boston University and Harvard received invitations to participate in the 1975 NCAA Division I Men's Ice Hockey Tournament.