| Current season, competition or edition: | |
| Formerly | European Cup Euroleague |
|---|---|
| Sport | Water polo |
| Founded | 1963; 63 years ago (1963) |
| President | Paolo Barelli |
| No. of teams | 24 (preliminary stage) 16 (group stage) |
| Country | LEN members |
| Continent | Europe |
| Most recent champion | |
| Most titles | |
| Level on pyramid | 1st Tier (Europe) |
| Official website | championsleague.len.eu |
TheEuropean Aquatics Champions League is the top-tierEuropean professionalwater polo club competition with teams from up to 18 countries. It is organized by theLigue Européenne de Natation.
The competition started in 1963 asEuropean Cup. A change of name and format occurred in 1996, with the competition being renamedChampions League and the final four system being established as the format of choice, for the first time during the1996–97 LEN Champions League. From 2003 to 2011 the competition was namedLEN Euroleague (with the change of name being simply a re-branding) and from 2011 to 2024 was named theLEN Champions League. From 2024, afterLEN was renamed to European Aquatics, the new name is theEuropean Aquatics Champions League.
LEN Champions League is the most popular water polo league in the European continent. It has been won by 24 clubs, 10 of which have won the title more than once. Themost successful club in the competition isPro Recco, with eleven titles. The current European champion isFerencváros, who won their second title after defeatingPro Recco in the2023–24 LEN Champions League Final inValletta.

| Rank | Country | Titles | Runners-up | CL winning clubs |
|---|---|---|---|---|
| 1. | 16 | 11 | 4 | |
| 2. | 14 | 6 | 4 | |
| 3. | 10 | 10 | 6 | |
| 4. | 7 | 9 | 3 | |
| 5. | 4 | 4 | 1 | |
| 6. | 3 | 3 | 3 | |
| 7. | 2 | 6 | 2 | |
| 8. | 2 | 4 | 2 | |
| 9. | 2 | 3 | 1 | |
| 10. | 1 | 1 | 1 | |
| 11. | 2 | |||
| 12. | 1 | |||
| 1 |
*A Results until thebreakup of Yugoslavia in 1991 and theself-determination of all countries unless the union ofSerbia and Montenegro, named until 2003 as FR YUgoslavia, and broke up in 2006. Clubs from present daySerbia won the title 7 times and were runners-up additional 4 times, clubs from present dayCroatia won the title 7 and were runners-up one time, clubs from present dayMontenegro were runners-up one time.
*AB andAB . Note, Croatian record counting since 1991, while Serbian and Montenegrin counting since 2006, only.
*B The results ofWest Germany counted with those ofGermany.
*C Results until thedissolution of the Soviet Union in 1991. Clubs from present dayRussia won the title 2 times and were runners-up additional 5 times, clubs from present dayKazakhstan were runners-up once time.
bold - active players
| Player | Titles | Clubs | |
|---|---|---|---|
| # | List | ||
| 7 | 1 | Pro Recco (2007, 2010, 2012, 2015, 2021, 2022, 2023) | |
| 6 | 1 | Partizan (1964, 1966, 1967, 1971, 1975, 1976) | |
| 6 | 2 | Posillipo (2005), Pro Recco (2007, 2008, 2010, 2012, 2015) | |
| 5 | 2 | Partizan (1964), Mladost (1968, 1969, 1970, 1972) | |
| 5 | 1 | Partizan (1964, 1966, 1967, 1971, 1975) | |
| 5 | 1 | Partizan (1966, 1967, 1971, 1975, 1976) | |
| 5 | 2 | Ujpest (1994), Pro Recco (2003, 2008, 2010, 2012) | |
| 5 | 2 | Posillipo (1998), Pro Recco (2007, 2008, 2010, 2012) | |
| 5 | 1 | Pro Recco (2007, 2008, 2010, 2012, 2015) | |
| 5 | 4 | Partizan (2011), Pro Recco (2012, 2015), Crvena Zvezda (2013), Szolnok (2017) | |
| 5 | 2 | Pro Recco (2007, 2008, 2010, 2012), Ferencvaros (2019) | |
| 5 | 1 | Pro Recco (2012, 2015, 2021, 2022, 2023) | |
| 5 | 3 | Szolnok (2017), Ferencvaros (2019), Pro Recco (2021, 2022, 2023) | |
| 4 | 3 | Partizan (2011), Pro Recco (2012, 2015), Crvena Zvezda (2013) | |
| 4 | 1 | Partizan (1964, 1966, 1967, 1971) | |
| 4 | 1 | Partizan (1964, 1966, 1967, 1971) | |
| 4 | 1 | Partizan (1964, 1966, 1967, 1971) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 4 | 1 | Spandau04 (1982, 1985, 1986, 1989) | |
| 4 | 1 | Spandau04 (1982, 1985, 1986, 1989) | |
| 4 | 1 | Spandau04 (1982, 1985, 1986, 1989) | |
| 4 | 2 | Barceloneta (2014), Pro Recco (2021, 2022, 2023) | |
| 4 | 1 | Pro Recco (2015, 2021, 2022, 2023) | |
| 4 | 1 | Pro Recco (2015, 2021, 2022, 2023) | |
| 4 | 3 | Partizan (2011), Pro Recco (2021), Ferencvaros (2024, 2025) | |
| 4 | 2 | Partizan (2011), Pro Recco (2003, 2007, 2008) | |
| Coach | Titles | Clubs | |
|---|---|---|---|
| # | List | ||
| 6 | 1 | Partizan (1964, 1966, 1967, 1971, 1975, 1976) | |
| 5 | 2 | Posillipo (2005), Pro Recco (2007, 2008, 2010, 2012) | |
| 4 | 1 | Mladost (1968, 1969, 1970, 1972) | |
| 3 | 1 | Spandau04 (1982, 1985, 1986) | |
| Player/Coach | Titles | as Player | as Coach | ||
|---|---|---|---|---|---|
| # | List | # | List | ||
| 7 | 2 | Posillipo (1997, 1998) | 5 | Posillipo (2005), Pro Recco (2007, 2008, 2010, 2012) | |
| 6 | 5 | Partizan (1964), Mladost (1968, 1969, 1970, 1972) | 1 | Mladost (1996) | |
| 5 | 3 | Partizan (1971, 1975, 1976) | 2 | Mladost (1990, 1991) | |
| 5 | 3 | Mladost (1990, 1991), Catalunya (1995) | 2 | Partizan (2011), Pro Recco (2015) | |
| 4 | 3 | Mladost (1967, 1968, 1969) | 1 | Pescara (1988) | |
| 3 | 1 | Canottieri Naples (1978) | 2 | Posilllipo (1997, 1998) | |
| 3 | 1 | Pro Recco (2012) | 2 | Pro Recco (2022, 2023) | |
* Two players were players and coaches at the same time in the winning teams.Boris Čukvas won three titles in a dual role. He was a player and Partizan's coach during the seasons in which the Belgrade-based club won its first three titles (1963/64, 1965/66 and 1966/67).Eraldo Pizzo was a player and Pro Recco's coach in the season 1964/65.
Titles (2) as a player and a coach:Veselin Đuho,Marco Baldineti,Vjekoslav Kobeščak.