The 2020–21 season was Nordsjælland's 24th season in existence as a football club, 17th under the current name, and 19th consecutive season in the Superliga, the top-flight of football in the country. In addition to the domestic league, the club also competed in this season's edition of the Danish Cup, losing out in the third round to second division side Hvidovre.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Source: Danish Football Association(in Danish), Soccerway Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) Away goals scored; 5) Play-off (played on neutral ground if determining teams for different rounds); 6) Draw.[10][11]