2021 Atlantic Coast Conference men's soccer season

The 2021 Atlantic Coast Conference men's soccer season was the 68th season of men's varsity soccer in the conference.

Clemson are the defending champions of the Atlantic Conference and the Pittsburgh are the defending champions of the Coastal Conference. Clemson is the defending ACC tournament Champion.

Clemson and Pittsburgh both retained their regular season titles in their respective conferences. However, Clemson could not defend its ACC Tournament crown, with Notre Dame prevailing in the 2021 tournament. Eight ACC teams were invited to the NCAA tournament. Clemson had the best showing of the eight, winning their third title in program history.