| 1997-98 LEN Champions League | |
|---|---|
| League | LEN Champions League |
| Sport | Water Polo |
| Duration | 1997 to 5 June 1998 |
| Number of teams | 8 (Preliminary Round) |
| Final Four | |
| Finals champions |
|
| Runners-up | |
The 1997–98 LEN Champions League is the 35th edition of LEN's premier competition for men's water polo clubs. It ran from 1997 to 6 June 1998, and it is contested by 16 teams. The Final Four (semifinals, final, and third place game) will take place on June 5 and June 6 in Zagreb.