The 2021–22 NCAA Division III men's ice hockey season began on October 16, 2021, and concluded on March 26, 2022.
Bryn Athyn downgraded to club status due to not having a facility near enough to their campus,[1] St. Thomas promoted its program to Division I and Becker College was forced to close as a result of financial difficulties.
[2] Stepping into the void, Arcadia and Rivier both began their varsity programs this year.
Due to COVID-19 protocols, several games were canceled, postponed, or rescheduled over the course of the season.
As a result, several conferences played unbalanced schedules and relied on winning percentages to determine the final standings.