The 2011–12 NCAA Division III men's ice hockey season began on October 21, 2011, and concluded on March 17, 2012.

This was the 39th season of Division III college ice hockey.

ECAC East and the NESCAC ended the arrangement where all games between conference members were counted for their conference standings.

Note: Mini-game are not included in final standings GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes GP = Games played; Min = Minutes played; W = Wins; L = Losses; T = Ties; GA = Goals against; SO = Shutouts; SV% = Save percentage; GAA = Goals against average Note: * denotes overtime period(s) [1]