1921 Copa del Rey
| 21st Copa del Rey | |
|---|---|
| Tournament details | |
| Country | Spain |
| Teams | 8 |
| Defending champions | FC Barcelona |
| Final positions | |
| Champions | Athletic Bilbao (8th title) |
| Runners-up | Athletic Madrid |
| Tournament statistics | |
| Matches played | 12 |
| Goals scored | 50 (4.17 per match) |
The Copa del Rey 1921 was the 21st staging of the Copa del Rey, the Spanish football cup competition.
The competition started on 9 April 1921, and concluded on 8 May 1921, with the Final, held at the San Mamés in Bilbao, in which Athletic Bilbao lifted the trophy for the eighth time with a 4–1 victory over Athletic Madrid thanks to two braces from José María Laca and Domingo Acedo.