2020–21 Army Black Knights men's ice hockey season

The 2020–21 Army Black Knights men's ice hockey season was the 118th season of play for the program, the 111th at the Division I level, and the 18th season in the Atlantic Hockey conference. The Black Knights represented the United States Military Academy in the 2020–21 NCAA Division I men's ice hockey season and were coached by Brian Riley, in his 17th season.

Roster
As of October 17, 2020.

Schedule and results
!colspan=12 style=";" | Regular Season

!colspan=12 style=";" | Atlantic Hockey Tournament

Scoring statistics
Source:

Goaltending statistics
Statistics through March 14, 2021.

Rankings
USCHO did not release a poll in week 20.