2021–22 Copa del Rey
| Tournament details | |
|---|---|
| Country | Spain |
| Date | 17 November 2021 – 23 April 2022 |
| Teams | 126 |
| Final positions | |
| Champions | Real Betis (3rd title) |
| Runners-up | Valencia |
| Tournament statistics | |
| Matches played | 121 |
| Goals scored | 369 (3.05 per match) |
| Top goal scorer(s) | Borja Iglesias (5 goals) |
The 2021–22 Copa del Rey was the 120th staging of the Copa del Rey (including two seasons where two rival editions were played). The winners were assured a place in the 2022–23 UEFA Europa League group stage. Both the winners and the runners-up qualified for the four-team 2023 Supercopa de España.
Barcelona were the defending champions, but they were eliminated by previous two seasons' runners-up Athletic Club in the round of 16. Real Betis won the final 5–4 over Valencia on penalties following a 1–1 draw after extra time for their third Copa del Rey title.
As across Spain, match times up to 31 October 2021 and from 27 March 2022 were CEST (UTC+2). Times on interim ("winter") days were CET (UTC+1). Matches played in the Canary Islands used the WET (UTC±00:00).