| Club: | AD Alcorcón |
| Season: | 2021–22 |
| Owner: | David Blitzer |
| Chrtitle: | President |
| Chairman: | Iván Bravo |
| Mgrtitle: | Head coach |
| Manager: | Juan Antonio Anquela (until 18 September) Jorge Romero (from 18 September until 2 November) Fran Fernández (from 2 November) |
| Stadium: | Santo Domingo |
| League: | Segunda División |
| League Result: | 22nd (relegated) |
| Cup1: | Copa del Rey |
| Cup1 Result: | Second round |
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| Prevseason: | 2020–21 |
| Nextseason: | 2022–23 |
The 2021–22 season was the 51st season in the existence of AD Alcorcón and the club's 12th consecutive season in the second division of Spanish football. In addition to the domestic league, Alcorcón participated in this season's edition of the Copa del Rey.
See main article: AD Alcorcón B.
See main article: 2021–22 Segunda División.
The league fixtures were announced on 30 June 2021.[1] [2]
See main article: 2021–22 Copa del Rey.