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| 1st(1st leg) | Manchester United | - | Borussia Dortmund | 3:2 (3:0) | ||
| 2nd (2nd leg) | Borussia Dortmund | - | Manchester United | 0:0 (0:0) | ||
| 1st(1st leg): 17/10/1956 | 2nd (2nd leg): 21/11/1956 | Winner: Manchester United | ||||
| 1st(1st leg) | CDNA Sofia | - | Dinamo Bucureşti | 8:1 (3:0) | ||
| 2nd (2nd leg) | Dinamo Bucureşti | - | CDNA Sofia | 3:2 (0:1) | ||
| 1st(1st leg): 17/10/1956 | 2nd (2nd leg): 21/11/1956 | Winner: CDNA Sofia | ||||
| 1st(1st leg) | Rangers FC | - | OGC Nice | 2:1 (1:1) | ||
| 2nd (2nd leg) | OGC Nice | - | Rangers FC | 2:1 (0:1) | ||
| 1st(1st leg): 24/10/1956 | 2nd (2nd leg): 14/11/1956 | |||||
| 1st(1st leg) | TJ ÚNV Slovan Bratislava | - | Grasshopper Club Zürich | 1:0 (1:0) | ||
| 2nd (2nd leg) | Grasshopper Club Zürich | - | TJ ÚNV Slovan Bratislava | 2:0 (0:0) | ||
| 1st(1st leg): 24/10/1956 | 2nd (2nd leg): 12/12/1956 | Winner: Grasshopper Club Zürich | ||||
| 1st(1st leg) | Real Madrid | - | Rapid Wien | 4:2 (2:0) | ||
| 2nd (2nd leg) | Rapid Wien | - | Real Madrid | 3:1 (3:0) | ||
| 1st(1st leg): 01/11/1956 | 2nd (2nd leg): 14/11/1956 | Winner: Rapid Wien | ||||
| 1st(1st leg) | Rapid JC Heerlen | - | Crvena Zvezda | 3:4 (1:2) | ||
| 2nd (2nd leg) | Crvena Zvezda | - | Rapid JC Heerlen | 2:0 (1:0) | ||
| 1st(1st leg): 01/11/1956 | 2nd (2nd leg): 14/11/1956 | Winner: Crvena Zvezda | ||||
| 1st(1st leg) | ACF Fiorentina | - | IFK Norrköping | 1:1 (1:1) | ||
| 2nd (2nd leg) | IFK Norrköping | - | ACF Fiorentina | 0:1 (0:1) | ||
| 1st(1st leg): 21/11/1956 | 2nd (2nd leg): 28/11/1956 | Winner: ACF Fiorentina | ||||
| 1st(1st leg) | Athletic Bilbao | - | Budapest Honved SE | 3:2 (2:0) | ||
| 2nd (2nd leg) | Budapest Honved SE | - | Athletic Bilbao | 3:3 (1:1) | ||
| 1st(1st leg): 22/11/1956 | 2nd (2nd leg): 20/12/1956 | Winner: Athletic Bilbao | ||||
| decisive matches | ||||||
|---|---|---|---|---|---|---|
| OGC Nice | - | Rangers FC | 3:1 (1:0) | |||
| Real Madrid | - | Rapid Wien | 2:0 (2:0) | |||
