| Club: | C.D. Tondela |
| Season: | 2021–22 |
| Chrtitle: | Chairman |
| Chairman: | David Belenguer |
| Mgrtitle: | Manager |
| Manager: | Pako Ayestarán |
| Stadium: | Estádio João Cardoso |
| League: | Primeira Liga |
| League Result: | 17th (relegated) |
| Cup1: | Taça de Portugal |
| Cup1 Result: | Runners-up |
| Cup2: | Taça da Liga |
| Cup2 Result: | First round |
| League Topscorer: | João Pedro (7) |
| Season Topscorer: | Juan Manuel Boselli (8) |
| Pattern La1: | _tondela1920h |
| Pattern B1: | _tondela1920h |
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| Pattern Sh2: | _tondela1819a |
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| Prevseason: | 2020–21 |
| Nextseason: | 2022–23 |
The 2021–22 season was the 89th season in the existence of C.D. Tondela and the club's ninth consecutive season in the top flight of Portuguese football. In addition to the domestic league, C.D. Tondela participated in this season's editions of the Taça de Portugal and the Taça da Liga.
See main article: 2021–22 Primeira Liga.
See main article: 2021–22 Taça de Portugal.
See main article: 2021–22 Taça da Liga.