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| 1st(1st leg) | Servette FC | - | RC&FC Sparta | 2:0 (1:0) | ||
| 2nd (2nd leg) | RC&FC Sparta | - | Servette FC | 1:0 (1:0) | ||
| 1st(1st leg): 09/11/1966 | 2nd (2nd leg): 16/11/1966 | Winner: Servette FC | ||||
| 1st(1st leg) | Shamrock Rovers | - | Bayern München | 1:1 (0:1) | ||
| 2nd (2nd leg) | Bayern München | - | Shamrock Rovers | 3:2 (2:0) | ||
| 1st(1st leg): 09/11/1966 | 2nd (2nd leg): 23/11/1966 | Winner: Bayern München | ||||
| 1st(1st leg) | Real Zaragoza | - | Everton FC | 2:0 (1:0) | ||
| 2nd (2nd leg) | Everton FC | - | Real Zaragoza | 1:0 (0:0) | ||
| 1st(1st leg): 09/11/1966 | 2nd (2nd leg): 23/11/1966 | Winner: Real Zaragoza | ||||
| 1st(1st leg) | Spartak Moskva | - | Rapid Wien | 1:1 (1:1) | ||
| 2nd (2nd leg) | Rapid Wien | - | Spartak Moskva | 1:0 (0:0) | ||
| 1st(1st leg): 09/11/1966 | 2nd (2nd leg): 08/12/1966 | Winner: Rapid Wien | ||||
| 1st(1st leg) | Raba ETO Győr | - | Sporting Braga | 3:0 (1:0) | ||
| 2nd (2nd leg) | Sporting Braga | - | Raba ETO Győr | 2:0 (1:0) | ||
| 1st(1st leg): 09/11/1966 | 2nd (2nd leg): 08/12/1966 | Winner: Raba ETO Győr | ||||
| 1st(1st leg) | RC Strasbourg | - | Slavia Sofia | 1:0 (1:0) | ||
| 2nd (2nd leg) | Slavia Sofia | - | RC Strasbourg | 2:0 (1:0) | ||
| 1st(1st leg): 23/11/1966 | 2nd (2nd leg): 30/11/1966 | Winner: Slavia Sofia | ||||
| 1st(1st leg) | Rangers FC | - | Borussia Dortmund | 2:1 (1:1) | ||
| 2nd (2nd leg) | Borussia Dortmund | - | Rangers FC | 0:0 (0:0) | ||
| 1st(1st leg): 23/11/1966 | 2nd (2nd leg): 06/12/1966 | Winner: Rangers FC | ||||
| 1st(1st leg) | BSG Chemie Leipzig | - | Standard Liège | 2:1 (2:1) | ||
| 2nd (2nd leg) | Standard Liège | - | BSG Chemie Leipzig | 1:0 (0:0) | ||
| 1st(1st leg): 30/11/1966 | 2nd (2nd leg): 14/12/1966 | Winner: Standard Liège | ||||
