The draw took place today for the fourth round of the Spanish cup, with 16 teams taking part, including the 11 first division and 5 second division sides surviving from the third round. The lower ranked sides were seeded to play at home, principally against the teams participating in the Spanish Super Cup, and matches take place over one leg on or around 14 January. (07.01.26)
| Deportivo La Coruña |
13 Jan | Atlñetico Madrid |
| Cultural Leonesa |
13 Jan | Athletic Bilbao |
| Racing Santander |
15 Jan | Barcelona |
| Albacete |
14 Jan | Real Madrid |
| Burgos |
15 Jan | Valencia |
| Betis |
14 Jan | Elche |
| Real Sociedad |
13 Jan | Osasuna |
| Alavés |
14 Jan | Rayo Vallecano |