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| 1st(1st leg) | Celtic FC | - | Dinamo Kiev | 3:0 (1:0) | ||
| 2nd (2nd leg) | Dinamo Kiev | - | Celtic FC | 1:1 (1:1) | ||
| 1st(1st leg): 12/01/1966 | 2nd (2nd leg): 26/01/1966 | Winner: Celtic FC | ||||
| 1st(1st leg) | Atlético Madrid | - | Borussia Dortmund | 1:1 (0:0) | ||
| 2nd (2nd leg) | Borussia Dortmund | - | Atlético Madrid | 1:0 (1:0) | ||
| 1st(1st leg): 16/02/1966 | 2nd (2nd leg): 02/03/1966 | Winner: Borussia Dortmund | ||||
| 1st(1st leg) | Budapest Honved SE | - | Liverpool FC | 0:0 (0:0) | ||
| 2nd (2nd leg) | Liverpool FC | - | Budapest Honved SE | 2:0 (2:0) | ||
| 1st(1st leg): 01/03/1966 | 2nd (2nd leg): 08/03/1966 | Winner: Liverpool FC | ||||
| 1st(1st leg) | West Ham United | - | 1. FC Magdeburg | 1:0 (0:0) | ||
| 2nd (2nd leg) | 1. FC Magdeburg | - | West Ham United | 1:1 (0:0) | ||
| 1st(1st leg): 02/03/1966 | 2nd (2nd leg): 16/03/1966 | Winner: West Ham United | ||||
