| Fase Preliminar | ||||||
| 24/8/83 | Swansea | Swansea | 1 | Walsh | ||
| Magdeburgo | 1 | Streich | ||||
| 31/8/83 | Magdeburgo | Magdeburgo | 1 | Pommerenke | ||
| Swansea | 0 | |||||
| 1º Fase | ||||||
| 14/9/83 | Atenas | AEK | 2 | Kottis, Ross | ||
| Ujpesti Dozsa | 0 | |||||
| 28/9/83 | Budapest | Ujpesti Dozsa | 4 | Kirsznyer, Kiss, Kardos (2, 1P) | ||
| AEK | 1 | Vlachos | ||||
| 14/9/83 | Nykobing Falster | B 1901 | 1 | Bogvad (P) | ||
| Shakhtar | 5 | Morozov (2), Grachev (2), Radenko | ||||
| 28/9/83 | Donetsk | Shakhtar | 4 | Morozov (2), Sokolovskij (P), Grachev | ||
| B 1901 | 2 | Bogvad, Sokolovskij (A) | ||||
| 14/9/83 | Zagreb | Dinamo Zagreb | 2 | Kranjcar (2) | ||
| Oporto | 1 | Fernando Gomes | ||||
| 28/9/83 | Oporto | Oporto | 1 | Fernando Gomes | ||
| Dinamo Zagreb | 0 | |||||
| 14/9/83 | Paralimni | ENP | 2 | Zouvanis, Tserkezos | ||
| Beveren | 4 | Schonberger, Garot, Kusto, Stalmans | ||||
| 28/9/83 | Beveren-Waas | Beveren | 3 | Theunis, Lambrichts, Stalmans | ||
| ENP | 1 | Kalineras | ||||
| 14/9/83 | Belfast | Glentoran | 1 | Jameson | ||
| Paris Saint Germain | 2 | Zaremba, N'Gom | ||||
| 28/9/83 | Paris | Paris Saint Germain | 2 | Bathenay (P), Susic | ||
| Glentoran | 1 | Mullan | ||||
| 14/9/83 | Estocolmo | Hammarby | 4 | Olsson (2), Wahlberg, Lundin | ||
| Nentori | 0 | |||||
| 28/9/83 | Tirana | Nentori | 2 | Vila, Mema | ||
| Hammarby | 1 | Efraimsson | ||||
| 14/9/83 | Akranes | IA | 1 | Halldorsson | ||
| Aberdeen | 2 | McGhee (2) | ||||
| 28/9/83 | Aberdeen | Aberdeen | 1 | Strachan (P) | ||
| IA | 1 | Askelsson (P) | ||||
| 14/9/83 | Turin | Juventus | 7 | Platini (2), Penzo (4), Rossi | ||
| Lechia | 0 | |||||
| 28/9/83 | Gdansk | Lechia | 2 | Kowalczyk, Kruszczynski (P) | ||
| Juventus | 3 | Vignola, Tavola, Boniek | ||||
| 14/9/83 | Magdeburgo | Magdeburgo | 1 | Pommerenke | ||
| Barcelona | 5 | Schuster, Maradona (3, 1P), Perico Alonso | ||||
| 28/9/83 | Barcelona | Barcelona | 2 | Quini (2) | ||
| Magdeburgo | 0 | |||||
| 14/9/83 | Manchester | Manchester United | 1 | Wilkins (P) | ||
| Dukla | 1 | Kriz | ||||
| 28/9/83 | Praga | Dukla | 2 | Stambachr, Danek | ||
| Manchester United | 2 | Robson, Whiteside | ||||
| 14/9/83 | Mersin | Idman Yurdu | 0 | |||
| Spartak | 0 | |||||
| 28/9/83 | Varna | Spartak | 1 | Kazakov | ||
| Idman Yurdu | 0 | |||||
| 14/9/83 | Nijmegen | NEC | 1 | Janssen | ||
| Brann | 1 | Krogh | ||||
| 28/9/83 | Bergen | Brann | 0 | |||
| NEC | 1 | Mommertz | ||||
| 14/9/83 | Ginebra | Servette | 4 | Schnyder, Brigger, Elia, Barberis | ||
| Avenir Beggen | 0 | |||||
| 28/9/83 | Luxemburgo | Avenir Beggen | 1 | Dresch | ||
| Servette | 5 | Elia, Brigger (2), Castella, Geiger | ||||
| 14/9/83 | Sligo | Rovers | 0 | |||
| Haka | 1 | Valvee | ||||
| 28/9/83 | Valkeakoski | Haka | 3 | Nissinen, Huoviala, Dziadulewicz | ||
| Rovers | 0 | |||||
| 14/9/83 | Innsbruck | Wacker | 1 | Gross | ||
| Colonia | 0 | |||||
| 28/9/83 | Colonia | Colonia | 7 | Strack (2), Allofs (2), Fischer (2), Steiner | ||
| Wacker | 1 | Gross | ||||
| 14/9/83 | Valletta | Valletta | 0 | |||
| Rangers | 8 | Petersen, McPherson (4), McDonald, Prytz (2, 1P) | ||||
| 28/9/83 | Glasgow | Rangers | 10 | Mitchell (2), McDonald (3, 1P), Dawson, McKay, Redford (2), Davies | ||
| Valletta | 0 | |||||
| 2º Fase | ||||||
| 19/10/83 | Beveren-Waas | Beveren | 0 | |||
| Aberdeen | 0 | |||||
| 2/11/83 | Aberdeen | Aberdeen | 4 | Strachan (2, 1P), Simpson, Weir | ||
| Beveren | 1 | Theunis | ||||
| 19/10/83 | Estocolmo | Hammarby | 1 | Ohlsson | ||
| Haka | 1 | Kujanpää | ||||
| 2/11/83 | Valkeakoski | Haka | 2 | Nissinen, Kujanpaa | ||
| Hammarby | 1 | Holmberg | ||||
| 19/10/83 | Nijmegen | NEC | 2 | Janssen, Mommertz | ||
| Barcelona | 3 | Migueli, Van Rossum (A), Urbano | ||||
| 2/11/83 | Barcelona | Barcelona | 2 | Perico Alonso, Clos | ||
| NEC | 0 | |||||
| 19/10/83 | Paris | Paris Saint Germain | 2 | Couriol, N'Gom | ||
| Juventus | 2 | Boniek, Cabrini | ||||
| 2/11/83 | Turin | Juventus | 0 | |||
| Paris Saint Germain | 0 | |||||
| 19/10/83 | Glasgow | Rangers | 2 | Clarke, Mitchell | ||
| Oporto | 1 | Jacques | ||||
| 2/11/83 | Oporto | Oporto | 1 | Fernando Gomes | ||
| Rangers | 0 | |||||
| 19/10/83 | Donetsk | Shakhtar | 1 | Grachev | ||
| Servette | 0 | |||||
| 2/11/83 | Ginebra | Servette | 1 | Brigger | ||
| Shakhtar | 2 | Varnavskij (2) | ||||
| 19/10/83 | Varna | Spartak | 1 | Dimov | ||
| Manchester United | 2 | Robson (P), Graham | ||||
| 2/11/83 | Manchester | Manchester United | 2 | Stapleton (2) | ||
| Spartak | 0 | |||||
| 19/10/83 | Budapest | Ujpesti Dozsa | 3 | Kiss (2), Kirsznyer | ||
| Colonia | 1 | Sterner | ||||
| 2/11/83 | Colonia | Colonia | 4 | Strack, Allofs (2), Littbarski | ||
| Ujpesti Dozsa | 2 | Strack (A), Fekete | ||||
| CUARTOS DE FINAL | ||||||
| 7/3/84 | Barcelona | Barcelona | 2 | Moran (A), Rojo | ||
| Manchester United | 0 | |||||
| 21/3/84 | Manchester | Manchester United | 3 | Robson (2), Stapleton | ||
| Barcelona | 0 | |||||
| 7/3/84 | Estrasburgo | Haka | 0 | |||
| Juventus | 1 | Vignola | ||||
| 21/3/84 | Turin | Juventus | 1 | Tardelli | ||
| Haka | 0 | |||||
| 7/3/84 | Oporto | Oporto | 3 | Jaime Pacheco (P); Frasco, Jacques | ||
| Shakhtar | 2 | Morozov, Sokolovskij | ||||
| 21/3/84 | Donetsk | Shakhtar | 1 | Grachev | ||
| Oporto | 1 | Walsh | ||||
| 7/3/84 | Budapest | Ujpesti Dozsa | 2 | Kirsznyer, Heredi | ||
| Aberdeen | 0 | |||||
| 21/3/84 | Aberdeen | Aberdeen | 3 | McGhee (3) | ||
| Ujpesti Dozsa | 0 | |||||
| SEMIFINALES | ||||||
| 11/4/84 | Manchester | Manchester United | 1 | Davies | ||
| Juventus | 1 | Rossi | ||||
| 25/4/84 | Turin | Juventus | 2 | Boniek, Rossi | ||
| Manchester United | 1 | Whiteside | ||||
| 11/4/84 | Oporto | Oporto | 1 | Fernando Gomes | ||
| Aberdeen | 0 | |||||
| 25/4/84 | Aberdeen | Aberdeen | 0 | |||
| Oporto | 1 | Vermelinho | ||||
| FINAL | ||||||
| 16/5/84 | Basilea | Juventus | 2 | Vignola, Boniek | ||
| Oporto | 1 | Sousa | ||||
| Campeón: Juventus (Italia) | ||||||