In addition to the domestic league, Rio Ave participated in this season's editions of the Taça de Portugal, and the UEFA Europa League.

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

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

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

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