| Club: | Sturm Graz |
| Season: | 2020–21 |
| Chrtitle: | Chairman |
| Chairman: | Christian Jauk |
| Mgrtitle: | Manager |
| Manager: | Christian Ilzer |
| Stadium: | Merkur-Arena |
| League: | Austrian Bundesliga |
| League Result: | 3rd |
| Cup1: | Austrian Cup |
| Cup1 Result: | Semi-finals |
| Pattern La1: | _sturmgraz2021h |
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| Updated: | 22 May 2021 |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 SK Sturm Graz season was the club's 112th season in existence and the 55th consecutive season in the top flight of Austrian football. In addition to the domestic league, Sturm Graz participated in this season's edition of the Austrian Cup. The season covered the period from 6 July 2020 to 30 June 2021.
See main article: 2020–21 Austrian Football Bundesliga.
The league fixtures were announced on 9 July 2020.[2]
See main article: 2020–21 Austrian Cup.