The 1965 NCAA Men's Division I Ice Hockey Tournament involved 4 schools in playing in single-elimination play to determine the national champion of NCAA Division 1. The tournament started on March 18, 1965 and March 19, 1965. The National Championship Game was March 20, 1965.A total of 4 games were played at Meehan Auditorium in Providence, Rhode Island. Also,Michigan Tech won their second national championship over Boston College.
| Semi-finals | Finals | |||||||
| Boston College | 4 | |||||||
| North Dakota | 3 | |||||||
| Boston College | 2 | |||||||
| Michigan Tech | 8 | |||||||
| Brown | 0 | |||||||
| Michigan Tech | 4 | |||||||
Consolation Game: North Dakota 9, Brown 5
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