The 2002–03 LEN Champions League was the 40th edition of LEN's premier competition for men's water polo clubs. It ran from 16 October 2002 to 17 May 2003, and it was contested by 29 teams. The Final Four (semifinals, final, and third place game) took place on May 16 and May 17 in Genoa.
| 2002–03 LEN Champions League | |
|---|---|
| League | LEN Champions League |
| Sport | Water Polo |
| Duration | 16 October 2002 to 17 May 2003 |
| Number of teams | 8 (preliminary round) 29 (total) |
| Final Four | |
| Finals champions |  Pro Recco (3rd title) |
| Runners-up |  Honvéd |
Preliminary round edit
Location of teams of the 2002–03 LEN Champions League group stage.
Blue Group; 
Red Group.
Blue Group; 
Red Group.| Key to colors in group tables |
|---|
| Group winners and runners-up advanced to Final four |
Blue Group edit
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Pro Recco
|
6 | 5 | 0 | 1 | 59 | 47 | +12 | 10 |
 Spandau 04
|
6 | 4 | 0 | 2 | 39 | 38 | +1 | 8 |
 Barcelona
|
6 | 2 | 1 | 3 | 44 | 44 | 0 | 5 |
 Partizan
|
6 | 0 | 1 | 5 | 35 | 46 | −11 | 1 |
Source: [citation needed]
Red Group edit
| Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|
| Honvéd
|
6 | 5 | 1 | 0 | 58 | 44 | +14 | 11 |
 HAVK Mladost
|
6 | 3 | 1 | 2 | 48 | 44 | +4 | 7 |
 Olympic Nice
|
6 | 1 | 2 | 3 | 38 | 43 | −5 | 4 |
 Olympiacos
|
6 | 0 | 2 | 4 | 33 | 46 | −13 | 2 |
Source: [citation needed]
Final Four (Genoa) edit
Final standings edit
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