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| 1st(1st leg) | Deportivo Aragón | - | Real Sociedad | 0:2 | ||
| 2nd (2nd leg) | Real Sociedad | - | Deportivo Aragón | 2:2 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Real Sociedad | ||||
| 1st(1st leg) | Arosa SC | - | CA Osasuna | 2:1 | ||
| 2nd (2nd leg) | CA Osasuna | - | Arosa SC | 3:1 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 22/11/1983 | Winner: CA Osasuna | ||||
| 1st(1st leg) | Xerez CD | - | UD Las Palmas B | 3:0 | ||
| 2nd (2nd leg) | UD Las Palmas B | - | Xerez CD | 2:2 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Xerez CD | ||||
| 1st(1st leg) | CD Málaga | - | SD Eibar | 2:0 | ||
| 2nd (2nd leg) | SD Eibar | - | CD Málaga | 1:3 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: CD Málaga | ||||
| 1st(1st leg) | RCD Mallorca | - | Barcelona Atlètic | 0:0 | ||
| 2nd (2nd leg) | Barcelona Atlètic | - | RCD Mallorca | 2:0 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Barcelona Atlètic | ||||
| 1st(1st leg) | Real Murcia | - | CD Castellón | 1:0 | ||
| 2nd (2nd leg) | CD Castellón | - | Real Murcia | 5:4 pso | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: CD Castellón | ||||
| 1st(1st leg) | UE Olot | - | Hércules CF | 0:4 | ||
| 2nd (2nd leg) | Hércules CF | - | UE Olot | 2:0 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Hércules CF | ||||
| 1st(1st leg) | Real Oviedo | - | Real Madrid | 0:1 | ||
| 2nd (2nd leg) | Real Madrid | - | Real Oviedo | 2:0 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Real Madrid | ||||
| 1st(1st leg) | CE Sabadell | - | Real Zaragoza | 2:1 | ||
| 2nd (2nd leg) | Real Zaragoza | - | CE Sabadell | 1:1 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: CE Sabadell | ||||
| 1st(1st leg) | Real Valladolid | - | Rayo Vallecano | 4:3 | ||
| 2nd (2nd leg) | Rayo Vallecano | - | Real Valladolid | 0:2 | ||
| 1st(1st leg): 01/11/1983 | 2nd (2nd leg): 22/11/1983 | Winner: Real Valladolid | ||||
| 1st(1st leg) | Cartagena FC | - | Granada CF | 3:0 | ||
| 2nd (2nd leg) | Granada CF | - | Cartagena FC | 1:1 | ||
| 1st(1st leg): 02/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Cartagena FC | ||||
| 1st(1st leg) | Castilla CF | - | Real Betis | 4:1 | ||
| 2nd (2nd leg) | Real Betis | - | Castilla CF | 1:0 | ||
| 1st(1st leg): 02/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Castilla CF | ||||
| 1st(1st leg) | UD Güímar | - | Sporting Gijón | 0:2 | ||
| 2nd (2nd leg) | Sporting Gijón | - | UD Güímar | 4:0 | ||
| 1st(1st leg): 02/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Sporting Gijón | ||||
| 1st(1st leg) | UD Las Palmas | - | UD Salamanca | 0:0 | ||
| 2nd (2nd leg) | UD Salamanca | - | UD Las Palmas | 1:3 aet | ||
| 1st(1st leg): 02/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: UD Las Palmas | ||||
| 1st(1st leg) | SD Portmany | - | Atlético Madrid | 2:2 | ||
| 2nd (2nd leg) | Atlético Madrid | - | SD Portmany | 3:1 | ||
| 1st(1st leg): 02/11/1983 | 2nd (2nd leg): 17/11/1983 | Winner: Atlético Madrid | ||||
| 1st(1st leg) | Recreativo Huelva | - | Valencia CF | 0:1 | ||
| 2nd (2nd leg) | Valencia CF | - | Recreativo Huelva | 2:2 | ||
| 1st(1st leg): 02/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Valencia CF | ||||
| 1st(1st leg) | CD Alavés | - | Linares CF | 0:1 | ||
| 2nd (2nd leg) | Linares CF | - | CD Alavés | 2:0 | ||
| 1st(1st leg): 03/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Linares CF | ||||
| 1st(1st leg) | Galáctico Pegaso | - | Deportivo La Coruña | 1:0 | ||
| 2nd (2nd leg) | Deportivo La Coruña | - | Galáctico Pegaso | 3:0 aet | ||
| 1st(1st leg): 09/11/1983 | 2nd (2nd leg): 23/11/1983 | Winner: Deportivo La Coruña | ||||
