The 1964–65 NCAA University Division men's ice hockey season began in November 1964 and concluded with the 1965 NCAA University Division Men's Ice Hockey Tournament's championship game on March 20, 1965 at the Meehan Auditorium in Providence, Rhode Island.

The ECAC conference was nearly halved before the season, going from 29 teams the previous year down to 15.

(as of 2016) [1][2] Note: * denotes overtime period(s) [3] The following players led the league in points at the conclusion of the season.

GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes [4] The following goaltenders led the league in goals against average at the end of the regular season while playing at least 33% of their team's total minutes.

GP = Games played; Min = Minutes played; W = Wins; L = Losses; OT = Overtime/shootout losses; GA = Goals against; SO = Shutouts; SV% = Save percentage; GAA = Goals against average [4]