| Club: | Sint-Truiden |
| Season: | 2020–21 |
| Ownertitle: | Owner |
| Owner: | DMM.com |
| Chrtitle: | Chairman |
| Chairman: | David Meekers |
| Mgrtitle: | Manager |
| Manager: | Peter Maes |
| Stadium: | Stayen |
| League: | Belgian First Division A |
| League Result: | 15th |
| Cup1: | Belgian Cup |
| Cup1 Result: | Seventh round |
| League Topscorer: | Yuma Suzuki (17) |
| Season Topscorer: | Yuma Suzuki (17) |
| Pattern Name1: | Home |
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| Pattern Name2: | Away |
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| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 Sint-Truidense V.V. season was the club's 97th season in existence and its sixth consecutive season in the top flight of Belgian football. In addition to the domestic league, Sint-Truiden participated in this season's edition of the Belgian Cup. The season covered the period from 1 July 2020 to 30 June 2021.
| scope=col | Player | Transferred from | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 13 | Wellington Phoenix |
| scope=col | Player | Transferred to | scope=col; style="width: 65px;" | Fee | scope=col | Date | scope=col | Source | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 15 | TBD |
See main article: 2020–21 Belgian First Division A.
The league fixtures were announced on 8 July 2020.[2]
See main article: 2020–21 Belgian Cup.
| width=15 | width=15 | width=15 | width=15 | width=145 | Name | width=80 | Pro League | width=80 | Belgian Cup | width=80 | Total | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 18 | FW |  | Facundo Colidio | 1 | 0 | 1 | ||||||||
| 9 | FW |  | Yuma Suzuki | 1 | 0 | 1 | |||||||||
| 30 | FW |  | Nelson Balongo | 1 | 0 | 1 | |||||||||
| Totals | 3 | 0 | 3 | ||||||||||||