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| 1st(1st leg) | Cartagena FC | - | Athletic Bilbao | 0:3 | ||
| 2nd (2nd leg) | Athletic Bilbao | - | Cartagena FC | 2:0 | ||
| 1st(1st leg): 07/12/1983 | 2nd (2nd leg): 27/12/1983 | Winner: Athletic Bilbao | ||||
| 1st(1st leg) | Hércules CF | - | CD Málaga | 2:1 | ||
| 2nd (2nd leg) | CD Málaga | - | Hércules CF | 4:5 pso | ||
| 1st(1st leg): 07/12/1983 | 2nd (2nd leg): 20/12/1983 | Winner: Hércules CF | ||||
| 1st(1st leg) | UD Las Palmas | - | Real Valladolid | 2:0 | ||
| 2nd (2nd leg) | Real Valladolid | - | UD Las Palmas | 2:2 | ||
| 1st(1st leg): 07/12/1983 | 2nd (2nd leg): 28/12/1983 | Winner: UD Las Palmas | ||||
| 1st(1st leg) | CE Sabadell | - | Real Madrid | 1:2 | ||
| 2nd (2nd leg) | Real Madrid | - | CE Sabadell | 3:1 | ||
| 1st(1st leg): 08/12/1983 | 2nd (2nd leg): 22/12/1983 | Winner: Real Madrid | ||||
