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| I | Roma | - | IFK Göteborg | 3:0 (0:0) | ||
| V | IFK Göteborg | - | Roma | 2:1 (1:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Roma | ||||
| I | Lech Poznań | - | Athletic | 2:0 (2:0) | ||
| V | Athletic | - | Lech Poznań | 4:0 (2:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Athletic | ||||
| I | Benfica | - | Linfield FC | 3:0 (0:0) | ||
| V | Linfield FC | - | Benfica | 2:3 (1:2) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Benfica | ||||
| I | Dinamo Minsk | - | Grasshopper Club Zürich | 1:0 (1:0) | ||
| V | Grasshopper Club Zürich | - | Dinamo Minsk | 2:2 (1:1) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Dinamo Minsk | ||||
| I | Athlone Town | - | Standard Liège | 2:3 (1:2) | ||
| V | Standard Liège | - | Athlone Town | 8:2 (4:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Standard Liège | ||||
| I | AFC Ajax | - | Olympiacos | 0:0 (0:0) | ||
| V | Olympiacos | - | AFC Ajax | 2:0 (0:0, 0:0) pró. | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Olympiacos | ||||
| I | Odense BK | - | Liverpool | 0:1 (0:1) | ||
| V | Liverpool | - | Odense BK | 5:0 (3:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Liverpool | ||||
| I | CSKA Sofia | - | Omonia Nikosia | 3:0 (0:0) | ||
| V | Omonia Nikosia | - | CSKA Sofia | 4:1 (1:1) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: CSKA Sofia | ||||
| I | Raba ETO Győr | - | Víkingur Reykjavík | 2:1 (1:1) | ||
| V | Víkingur Reykjavík | - | Raba ETO Győr | 0:2 (0:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Raba ETO Győr | ||||
| I | Partizan | - | Viking FK | 5:1 (3:1) | ||
| V | Viking FK | - | Partizan | 0:0 (0:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Partizan | ||||
| I | Hamrun Spartans | - | Dundee United | 0:3 (0:2) | ||
| V | Dundee United | - | Hamrun Spartans | 3:0 (2:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Dundee United | ||||
| I | BFC Dynamo | - | Jeunesse Esch | 4:1 (2:1) | ||
| V | Jeunesse Esch | - | BFC Dynamo | 0:2 (0:1) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: BFC Dynamo | ||||
| I | Fenerbahçe | - | TJ Bohemians ČKD Praha | 0:1 (0:0) | ||
| V | TJ Bohemians ČKD Praha | - | Fenerbahçe | 4:0 (1:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: TJ Bohemians ČKD Praha | ||||
| I | FC Kuusysi (old) | - | Dinamo Bucureşti | 0:1 (0:0) | ||
| V | Dinamo Bucureşti | - | FC Kuusysi (old) | 3:0 (0:0) | ||
| I: 14.09.1983 | V: 28.09.1983 | Campeones: Dinamo Bucureşti | ||||
| I | Rapid Wien | - | Nantes | 3:0 (2:0) | ||
| V | Nantes | - | Rapid Wien | 3:1 (2:1) | ||
| I: 14.09.1983 19:30 | V: 28.09.1983 20:00 | Campeones: Rapid Wien | ||||
