2020–21 Real Sociedad season

In addition to the domestic league, Real Sociedad participated in this season's editions of the Copa del Rey, the Supercopa de España, and also participated in the UEFA Europa League.

This season was the first since 2007–08 without fellow centre-back David Zurutuza who announced his retirement from football after the previous campaign had concluded.

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.