2001–02 LEN Champions League
The 2001–02 LEN Champions League is the 39th edition of LEN's premier competition for men's water polo clubs. It ran from 24 October 2001 to 25 May 2002, and it is contested by 28 teams. The Final Four took place on May 24 and May 25 in Budapest.
Preliminary round
| Key to colors in group tables |
| Group winners and runners-up advanced to [|Final four] |
Blue Group
Red Group
Final Four ([Budapest])
, Budapest, HungaryFinal standings
| Team | |
 Olympiacos | |
 Honvéd | |
 Posillipo | |
 Jug Dubrovnik |