| 2007–08 LEN Euroleague | |
| League: | LEN Euroleague |
| Sport: | Water Polo |
| Duration: | 26 September 2007 to 10 May 2008 |
| No Of Teams: | 16 (preliminary round) 42 (total) |
| Playoffs: | Final Four |
| Playoffs Link: | 2007–08 LEN Euroleague#Final Four (Barcelona) |
| Finals Champ: |  Pro Recco (5th title) |
| Seasonslist: | LEN Champions League |
| Seasonslistnames: | Euroleague |
| Prevseason Link: | 2006–07 LEN Euroleague |
| Prevseason Year: | 2006–07 |
| Nextseason Link: | 2008–09 LEN Euroleague |
| Nextseason Year: | 2008–09 |
The 2007–08 LEN Euroleague was the 45th edition of LEN's premier competition for men's water polo clubs. It ran from 26 September 2007 to 10 May 2008, and was contested by 42 teams. The Final Four (semifinals, final, and third place game) took place on May 9 and May 10 in Barcelona. The winning team was Pro Recco from Italy.
The first legs were played on 26 March, and the second legs were played on 9 April 2008.|}
Piscina Municipal de Montjuïc, Barcelona, Spain
| width=25 | width=220 | Team | |
|---|---|---|---|
| Pro Recco | |||
| Jug Dubrovnik | |||
 Vasas | |||
| HAVK Mladost |