2021–22 SC Rheindorf Altach season

The 2021–22 season is the 91st season in the existence of SC Rheindorf Altach and the club's tenth consecutive season in the top flight of Austrian football. In addition to the domestic league, SC Rheindorf Altach are participating in this season's edition of the Austrian Cup.

Matches
The league fixtures were announced on 22 June 2021.