| Data | Casa | Visitante | Grupo | Resultado |
|---|---|---|---|---|
| 14-12-23 17:45 | Bayer 04 Leverkusen | Molde FK | Grupo H | 5:1 |
| 14-12-23 17:45 | Qarabag | BK Häcken | Grupo H | 2:1 |
| 14-12-23 17:45 | AS Roma | Sheriff Tiraspol | Grupo G | 3:0 |
| 14-12-23 17:45 | Slavia Praga | Servette FC Genebra | Grupo G | 4:0 |
| 14-12-23 17:45 | Royale Union Saint-Gilloise | FC Liverpool | Grupo E | 2:1 |
| 14-12-23 17:45 | Linzer ASK | FC Toulouse | Grupo E | 1:2 |
| 14-12-23 17:45 | Panathinaikos Atenas | Maccabi Haifa | Grupo F | 1:2 |
| 14-12-23 17:45 | Stade Rennes | FC Villarreal | Grupo F | 2:3 |
| 14-12-23 20:00 | West Ham United | SC Friburgo | Grupo A | 2:0 |
| 14-12-23 20:00 | Olympiakos Pireu | TSC Backa Topola | Grupo A | 5:2 |
| 14-12-23 20:00 | Brighton and Hove Albion | Olympique Marselha | Grupo B | 1:0 |
| 14-12-23 20:00 | Ajax Amsterdão | AEK Atenas | Grupo B | 3:1 |
| 14-12-23 20:00 | Real Betis Sevilla | Glasgow Rangers | Grupo C | 2:3 |
| 14-12-23 20:00 | Aris Limassol | Sparta Praga | Grupo C | 1:3 |
| 14-12-23 20:00 | Sporting | SK Sturm Graz | Grupo D | 3:0 |
| 14-12-23 20:00 | KS Rakow Czestochowa | Atalanta Bergamo | Grupo D | 0:4 |