In addition to the domestic league, Atalanta participated in this season's editions of the Coppa Italia and the UEFA Champions League.

The season covered the period from 13 August 2020 to 30 June 2021.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: Serie A The league fixtures were announced on 2 September 2020.

[24] The group stage draw was held on 1 October 2020.