| Gender: | men |
| Division: | college |
| Year: | 1965 |
| Duration: | November 1965– March, 1966 |
The 1965–66 NCAA College Division men's ice hockey season began in November 1965 and concluded in March of the following year. This was the 2nd season of second-tier college ice hockey.
| Tournament | Dates | Teams | Champion |
|---|---|---|---|
| Amherst College Tournament | December 18–20 | ||
| Yankee Conference Tournament | December 28–29 | 4 | New Hampshire |
| MIT Tournament | 4 | Connecticut | |
| Codfish Bowl | 4 | Boston State | |