| Club: | Albacete Balompié |
| Season: | 2020–21 |
| Ownertitle: | Owner |
| Owner: | Skyline International |
| Chrtitle: | President |
| Chairman: | Georges Kabchi |
| Mgrtitle: | Head coach |
| Manager: | Lucas Alcaraz (until 13 October) Aritz López Garai (from 14 October to 6 December) Alejandro Menéndez (from 8 December to 4 May) Francisco Noguerol (interim, from 4 May) |
| Stadium: | Estadio Carlos Belmonte |
| League: | Segunda División |
| League Result: | 22nd (relegated) |
| Cup1: | Copa del Rey |
| Cup1 Result: | First round |
| League Topscorer: | Alfredo Ortuño (7) |
| Season Topscorer: | Alfredo Ortuño (7) |
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| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 Albacete Balompié season was the club's 81st season in existence and the fourth consecutive season in the second division of Spanish football. In addition to the domestic league, Albacete participated in this season's edition of the Copa del Rey. The season covered the period from 21 July 2020 to 30 June 2021.
See main article: Atlético Albacete.
| Date | Player | From | Type | Fee | Ref | |
|---|---|---|---|---|---|---|
 Bernabé Barragán | Gimnàstic de Tarragona | Transfer | Free | [1] | ||
| align=center colspan=2 | Loan | [2] | ||||
| align=center colspan=2 | Loan | [3] |
| Date | Player | To | Type | Fee | Ref | |
|---|---|---|---|---|---|---|
| Transfer | Free | [4] | ||||
| Transfer | Free | [5] | ||||
| Transfer | Free | [6] |
See main article: 2020–21 Segunda División.
The league fixtures were announced on 31 August 2020.[7] [8]
See main article: 2020–21 Copa del Rey.