The 2021–22 season was the 113th season in the existence of USL Dunkerque and the club's second consecutive season in the second division of French football. In addition to the domestic league, Dunkerque participated in this season's edition of the Coupe de France.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.