In addition to the domestic league, Osasuna participated in this season's edition of the Copa del Rey.

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.

Win Draw Loss Fixtures Source: Soccerway Source: La Liga The league fixtures were announced on 30 June 2021.