| Runde | ⊝ Age | Teilnahmen |
|---|
| AC Mailand | Viertelfinale | 30,3 | 4 |
| AEK Athen | 2. Runde | 26,0 | 2 |
| AIK Solna | 1. Runde | - | 3 |
| AS Rom | Achtelfinale | 27,8 | 7 |
| ASA Tîrgu Mu | 1. Runde | - | 0 |
| Ajax Amsterdam | Achtelfinale | 24,4 | 2 |
| Antwerpen | 2. Runde | 24,0 | 5 |
| Aston Villa | 1. Runde | 24,0 | 0 |
| Athlone Town | 2. Runde | - | 0 |
| B1903 | 1. Runde | 33,1 | 2 |
| Beggen | 1. Runde | - | 0 |
| Bohemians Prag | 1. Runde | 27,0 | 0 |
| Chernomorets | 1. Runde | - | 0 |
| Club Brügge | Finale | 27,4 | 5 |
| Craiova | 1. Runde | - | 2 |
| Dresden | Viertelfinale | 23,5 | 4 |
| Duisburg | 2. Runde | 24,2 | 0 |
| Dunav Ruse | 1. Runde | - | 0 |
| Dundee Unite | 2. Runde | 26,7 | 3 |
| Enosis Neon | 1. Runde | - | 0 |
| Eskisehirspor | 1. Runde | - | 3 |
| Everton | 1. Runde | - | 3 |
| FC Barcelona | Halbfinale | 25,1 | 13 |
| FC Carl Zeiss | 2. Runde | 25,8 | 3 |
| FKS Stal Miele | Viertelfinale | 28,0 | 0 |
| Feyenoord | 1. Runde | 25,8 | 3 |
| GAIS Götebor | 1. Runde | - | 0 |
| Galatasaray | 2. Runde | 22,0 | 0 |
| Glentoran | 1. Runde | - | 6 |
| Gr. Zürich | 1. Runde | 24,5 | 5 |
| HJK Helsinki | 1. Runde | 19,2 | 1 |
| Hamburg | Halbfinale | 26,3 | 4 |
| Hertha BSC | 2. Runde | 25,9 | 5 |
| Hibernian FC | 1. Runde | 28,0 | 9 |
| Holbaek B&IF | 1. Runde | - | 0 |
| Honved | 2. Runde | 21,0 | 2 |
| I. Bratislav | Achtelfinale | 25,0 | 0 |
| Ipswich Town | 2. Runde | 22,5 | 2 |
| Keflavik | 1. Runde | - | 2 |
| Köln | 2. Runde | 24,3 | 11 |
| Lazio Rom | 2. Runde | 22,3 | 2 |
| Levski Sofia | Viertelfinale | 25,2 | 1 |
| Liverpool | Finale | 27,7 | 5 |
| Lyon | 1. Runde | 24,5 | 5 |
| Molde | 1. Runde | 22,0 | 0 |
| Ol. Marseille | 2. Runde | 29,0 | 4 |
| PAOK Saloniki | 1. Runde | - | 3 |
| Porto | Achtelfinale | 15,8 | 10 |
| R. S. Belgrad | 2. Runde | 26,0 | 5 |
| Rapid Wien | 1. Runde | 27,5 | 4 |
| Real Sociedad | 2. Runde | 21,2 | 1 |
| SK VÖEST Lin | 1. Runde | 22,7 | 1 |
| SSC Neapel | 1. Runde | 31,4 | 6 |
| Saragossa | 1. Runde | - | 6 |
| Sliema | 1. Runde | - | 2 |
| Spartak Moskau | Achtelfinale | 30,5 | 2 |
| Sporting | 2. Runde | -21,0 | 4 |
| Torp. Moskau | Achtelfinale | - | 0 |
| Valerenga IF | 1. Runde | - | 2 |
| Vasas | Achtelfinale | 24,0 | 1 |
| Vojvodina | 1. Runde | -25,0 | 6 |
| Växjö | 2. Runde | 27,0 | 2 |
| Wroclaw | Achtelfinale | 23,7 | 0 |
| Y.B. Bern | 1. Runde | 30,0 | 0 |
Insgesamt nahmen 64 Mannschaften teil. The number of participations refers to tournament participations before the tournament. FKS Stal Mielec, Torpedo Moskau, Slask Wroclaw, Inter Bratislava, Athlone Town, Galatasaray Istanbul, MSV Duisburg, ASA Tîrgu Mures, FC Dunav Ruse, Bohemians 1905 Prag, Young Boys Bern, Chernomorets Odessa, FC Avenir Beggen, GAIS Göteborg, Holbaek B&IF, Molde FK, Enosis Neon Paralimni und Aston Villa participated in der Europa League for the first time.
Europa League