1977–78 Copa del Rey
| 76th Copa del Rey | |
|---|---|
FC Barcelona were the Copa del Rey winners in 1977–78. | |
| Tournament details | |
| Country | Spain |
| Teams | 174 |
| Defending champions | Real Betis |
| Final positions | |
| Champions | FC Barcelona (18th title) |
| Runners-up | Las Palmas |
| Tournament statistics | |
| Matches played | 343 |
The 1977–78 Copa del Rey was the 76th staging of the Spanish Cup. The competition began on 14 September 1977 and concluded on 19 April 1978 with the final.