| Runde | ⊝ Age | Teilnahmen |
|---|
| AS Rom | Finale | 25,6 | 10 |
| Admira | Achtelfinale | 26,0 | 3 |
| Antwerpen | 1. Runde | 27,3 | 9 |
| Aston Villa | 2. Runde | 25,1 | 3 |
| Atl. Madrid | 1. Runde | 29,0 | 13 |
| Beggen | 1. Runde | 31,0 | 2 |
| Benfica | 1. Runde | 25,5 | 5 |
| Bergamo | Viertelfinale | 24,3 | 1 |
| Bologna | Viertelfinale | 24,7 | 4 |
| Bordeaux | Achtelfinale | 22,4 | 9 |
| Bröndby IF | Halbfinale | 30,2 | 1 |
| Chemnitz | 1. Runde | 25,0 | 1 |
| Chernomorets | 2. Runde | 16,0 | 2 |
| Craiova | 2. Runde | 38,0 | 9 |
| D. Zagreb | 1. Runde | 20,5 | 15 |
| Derry | 1. Runde | 21,3 | 0 |
| Dnjepr | 1. Runde | - | 4 |
| Dortmund | Achtelfinale | 24,9 | 3 |
| Dundee Unite | 2. Runde | 24,2 | 15 |
| FC Twente | 1. Runde | 31,2 | 8 |
| Fenerbahce | 2. Runde | 33,0 | 7 |
| Ferencvárosi | 2. Runde | 24,0 | 11 |
| Frankfurt | 1. Runde | 26,5 | 8 |
| GAIS Götebor | 1. Runde | 32,0 | 1 |
| Glenavon Bel | 1. Runde | - | 2 |
| Guimaraes | 1. Runde | - | 5 |
| Hafnarfjördur | 1. Runde | - | 0 |
| I. Bratislav | 2. Runde | 28,2 | 3 |
| Inter Mailand | Finale | 27,2 | 19 |
| Iraklis | 1. Runde | 26,5 | 3 |
| Katowice | 2. Runde | 25,0 | 4 |
| Köln | Achtelfinale | 25,6 | 19 |
| Lausanne | 1. Runde | 23,0 | 10 |
| Leverkusen | Achtelfinale | 25,1 | 3 |
| Lubin | 1. Runde | 24,2 | 0 |
| Luzern | 2. Runde | 33,0 | 1 |
| MTK Budapest | 1. Runde | 16,5 | 3 |
| Magdeburg | 2. Runde | 24,0 | 5 |
| Mechelen | 1. Runde | 26,4 | 0 |
| Midlothian | 2. Runde | 21,6 | 6 |
| Monaco | Achtelfinale | 26,0 | 3 |
| Norrköping | 1. Runde | 17,3 | 3 |
| Om. Nikosia | 2. Runde | 29,5 | 1 |
| Ostrava | 1. Runde | 22,2 | 7 |
| P. Belgrad | Achtelfinale | 23,5 | 9 |
| P. Tirana | 1. Runde | 20,0 | 1 |
| PAOK Saloniki | 1. Runde | 29,3 | 7 |
| Paola | 1. Runde | - | 0 |
| Petrolul 52 | 1. Runde | - | 3 |
| RSC Anderlecht | Viertelfinale | 23,6 | 8 |
| Rapid Wien | 1. Runde | 24,8 | 10 |
| Real Sociedad | 2. Runde | 25,5 | 5 |
| Roda JC | 1. Runde | 26,3 | 0 |
| Rosenborg BK | 1. Runde | 26,7 | 3 |
| Rovaniemi PS | 1. Runde | - | 1 |
| Sevilla | 2. Runde | 28,5 | 4 |
| Sl. Sofia | 1. Runde | 13,0 | 6 |
| Sporting | Halbfinale | 18,3 | 14 |
| Timisoara | 2. Runde | - | 1 |
| Torp. Moskau | Viertelfinale | 25,3 | 3 |
| Turku PS | 1. Runde | - | 3 |
| Valencia | 2. Runde | 27,0 | 14 |
| Vejle | 1. Runde | 24,0 | 0 |
| Vitesse | Achtelfinale | 30,2 | 1 |
Insgesamt nahmen 64 Mannschaften teil. The number of participations refers to tournament participations before the tournament. Vejle BK, Derry City, FH Hafnarfjördur, FC Hibernians Paola, Roda JC Kerkrade, MKS Zaglebie Lubin und KV Mechelen participated in der Europa League for the first time.
Europa League