LEN Euroleague and Women's Champions' Cup (European Water Polo)
The LEN Euroleague is the premier European water polo club competitions run by the Ligue Européenne de Natation. The Men's Euroleague has been played since 1964 and the Women's Champions' Cup since 1988, with the current format being adopted in 2003.
LEN Euroleague winners
- 1963–64:
Partizan Belgrade - 1964–65:
Recco - 1965–66: Partizan Belgrade
- 1966–67: Partizan Belgrade
- 1967–68: Mladost Zagreb
- 1968–69: Mladost Zagreb
- 1969–70: Mladost Zagreb
- 1970–71: Partizan Belgrade
- 1971–72: Mladost Zagreb
- 1972–73:
Orvosegyetem SC - 1973–74:
MGU Moscow - 1974–75: Partizan Belgrade
- 1975–76: Partizan Belgrade
- 1976–77: CSKA Moscow
- 1977–78: Canottieri Naples
- 1978–79: Orvosegyetem SC
- 1979–80: Vasas SC
- 1980–81: Jug Dubrovnik
- 1981–82:
CN Barcelona - 1982–83:
Spandau Berlin - 1983–84: Stefanel Recco
- 1984–85: Vasas SC
- 1985–86: Spandau Berlin
- 1986–87: Spandau Berlin
- 1987–88: Sisley Pescara
- 1988–89: Spandau Berlin
- 1989–90: Mladost Zagreb
- 1990–91: Mladost Zagreb
- 1991–92: Jadran Spilt
- 1992–93:
Jadran Split - 1993–94: Újpesti TE
- 1994–95: CN Catalunya
- 1995–96: Mladost Zagreb
- 1996–97: Themis Posillipo
- 1997-98: Themis Posillipo
- 1998–99: Splitska banka Split
- 1999–00:
VK Bečej Naftagas - 2000–01: Jug Dubrovnik
- 2001–02:
Olympiacos Piraeus - 2002–03: Pro Recco
- 2003–04: Budapesti Honvéd SE
- 2004–05: Lottomatica Posillipo
- 2005–06: Jug Dubrovnik
- 2006–07: Pro Recco
- 2007–08: Pro Recco
- 2008–09:
Primorac Kotor - 2009–10: Pro Recco
- 2010–11:
Partizan Belgrade - 2011–12: Current season