2021–22 Rayo Vallecano season

The 2021–22 season was the 98th season in the existence of Rayo Vallecano and the club's first season back in the top flight of Spanish football. In addition to the domestic league, Rayo Vallecano participated in this season's edition of the Copa del Rey.

Matches
The league fixtures were announced on 30 June 2021.

Appearances and goals
! colspan=14 style=background:#dcdcdc; text-align:center|Goalkeepers

! colspan=14 style=background:#dcdcdc; text-align:center|Defenders

! colspan=14 style=background:#dcdcdc; text-align:center|Midfielders

! colspan=14 style=background:#dcdcdc; text-align:center|Forwards

! colspan=14 style=background:#dcdcdc; text-align:center|Players who have made an appearance this season but have left the club
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