1980 ECAC Hockey men's ice hockey tournament

[4] 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, Cornell and Dartmouth received invitations to participate in the 1980 NCAA Division I Men's Ice Hockey Tournament.

The remaining four seeds were assigned to the other qualifiers and assorted based upon winning percentage.

In the semifinals, the highest seed plays the lowest remaining seed while the two remaining teams play with the winners advancing to the championship game and the losers advancing to the third place game.

Note: GP = Games played; W = Wins; L = Losses; T = Ties; Pct.