Names of the competition
- 1963–1996: European Cup
- 1996–2003: Champions League
- 2003–2011: LEN Euroleague
- 2011–present: LEN Champions League
| Winners | ||||
|---|---|---|---|---|
| A.S.D. Pro Recco | 8 | |||
| HAVK Mladost | 7 | |||
| VK Partizan | 7 | |||
| VK Jug | 4 | |||
| Spandau 04 | 4 | |||
| Posillipo | 3 | |||
| Olympiacos | 2 | |||
| OSC | 2 | |||
| Vasas SC | 2 | |||
| Jadran Split | 2 | |||
| Budapesti Honvéd SE | 1 | |||
| CSKA Moscow | 1 | |||
| Újpesti TE | 1 | |||
| Catalunya | 1 | |||
| Canottieri Napoli | 1 | |||
| Pescara | 1 | |||
| Bečej | 1 | |||
| Primorac Kotor | 1 | |||
| MGU Moscow | 1 | |||
| Barcelona | 1 | |||
| POŠK | 1 | |||
| Crvena zvezda | 1 | |||
| Barceloneta | 1 | |||
| Szolnok | 1 | |||
| Ferencváros | 1 | |||
| Year | Host | Champion (Coach) | Score | Second place |
| 1963–64 | VK Partizan | 4–3 | Dynamo Moscow | |
| 1964–65 | A.S.D. Pro Recco | 1–0 | VK Partizan | |
| 1965–66 | VK Partizan | 8–7 (5–3 / 3–4) | Dynamo Magdeburg | |
| 1966–67 | VK Partizan | 10–8 (5–3 / 1–2 / 4–3) | Pro Recco | |
| 1967–68 | HAVK Mladost | 8–6 (4–2 / 4–4) | Dinamo București | |
| 1968–69 | HAVK Mladost | 11–7 (7–3 / 4–4) | Dynamo Moscow | |
| 1969–70 | HAVK Mladost | 7–6 (5–3 / 2–3) | Pro Recco | |
| 1970–71 | VK Partizan | 4–4 | HAVK Mladost | |
| 1971–72 | HAVK Mladost | 4–2 | A.S.D. Pro Recco | |
| 1972–73 | OSC | 5–4 | VK Partizan | |
| 1973–74 | MGU | 4–3 | OSC | |
| 1974–75 | VK Partizan | 6–2 | OSC | |
| 1975–76 | VK Partizan | 6–5 | Vasas SC | |
| 1976–77 | CSKA Moscow | 7–5 | Zian | |
| 1977–78 | Napoli | 5–5 | CSKA Moscow | |
| 1978–79 | OSC | 5–2 | Montjuïc | |
| 1979–80 | Vasas SC | 9–7 | VK Partizan | |
| 1980–81 | VK Jug | 6–4 | Spandau 04 | |
| 1981–82 | Barcelona | 12–11 | Spandau 04 | |
| 1982–83 | Spandau 04 | 17–16 (7–10 / 10–6) | Dynamo Alma-Ata | |
| 1983–84 | Stefanel Recco | 16–15 (8–10 / 8–5) | Alphen | |
| 1984–85 | Vasas SC | 21–16 (11–11 / 10–5) | CSKA Moscow | |
| 1985–86 | Spandau 04 | 14–13 (7–9 / 7–4) | BVSC | |
| 1986–87 | Spandau 04 | 17–13 (10–5 / 7–8) | Dynamo Moscow | |
| 1987–88 | Sisley Pescara | 21–19 (12–10 / 9–9) | Spandau 04 | |
| 1988–89 | Spandau 04 | 22–21 (11–10 / 11–11) | CN Catalunya | |
| 1989–90 | HAVK Mladost | 20–19 (9–10 / 11–9) | Spandau 04 | |
| 1990–91 | HAVK Mladost | 21–17 (10–7 / 11–10) | Napoli | |
| 1991–92 | Jadran Koteks | 21–20 (10–12 / 11–8) | Savona | |
| 1992–93 | Jadran Koteks | 13–12 (7–8 / 6–4) | Mladost Auto Hrvatska | |
| 1993–94 | Újpesti TE | 21–17 (10–6 / 11–11) | Catalunya | |
| 1994–95 | Catalunya | 15–13 (7–6 / 8–7) | Újpesti TE | |
| 1995–96 | Dukat Mladost | 13–10 (7–4 / 6–6) | Újpesti TE | |
| 1996–97 | Naples, Italy | CN Themis Posillipo Paolo De Crescenzo | 10–7 | Mladost Hrvatska Lutrija |
| 1997–98 | Zagrep, Croatia | CN Themis Posillipo Paolo De Crescenzo | 8–6 | Pescara |
| 1998–99 | Naples, Italy | Splitska Banka Dragan Matutinović | 8–7 | Bečej |
| 1999–00 | Becej, Serbia | VK Bečej Nis Naftagas Zoltán Kásás | 11–8 | HAVK Mladost Hrvatska poštanska banka |
| 2000–01 | Dubrovnik, Croatia | VK Jug Veselin Đuho | 8–7 | Olympiacos |
| 2001–02 | Budapest, Hungary | Olympiacos Zoltán Kásás | 9–7 | Budapesti Honvéd SE |
| 2002–03 | Genoa, Italy | A.S.D. Pro Recco Marco Baldineti | 9–4 | Budapesti Honvéd SE |
| 2003–04 | Budapest, Hungary | Budapesti Honvéd SE István Kovács | 7–6 | Jadran |
| 2004–05 | Naples, Italy | Lottomatica Posillipo Pino Porzio | 9–8 | Budapesti Honvéd SE |
| 2005–06 | Dubrovnik, Croatia | VK Jug CO Emil Nikolić | 9–7 | A.S.D. Pro Recco |
| 2006–07 | Milano, Italy | A.S.D. Pro Recco Pino Porzio | 9–8 | VK Jug CO |
| 2007–08 | Barcelona, Spain | A.S.D. Pro Recco Pino Porzio | 13–12 | VK Jug CO |
| 2008–09 | Rijeka, Croatia | Primorac Kotor Ranko Perović | 8–7 | A.S.D. Pro Recco |
| 2009–10 | Naples, Italy | A.S.D. Pro Recco Pino Porzio | 9–3 | Primorac Kotor |
| 2010–11 | Rome, Italy | VK Partizan Igor Milanović | 11–7 | A.S.D. Pro Recco |
| 2011–12 | Oradea, Romania | A.S.D. Pro Recco Pino Porzio | 11–8 | Primorje Erste Banka Rijeka |
| 2012–13 | Belgrade, Serbia | Crvena zvezda Dejan Savić | 8–7 | VK Jug |
| 2013–14 | Barcelona, Spain | CN Atlètic-Barceloneta Jesús Martín | 7–6 | Radnički Kragujevac |
| 2014–15 | Barcelona, Spain | A.S.D. Pro Recco Igor Milanović | 8–7 | Primorje Erste Banka Rijeka |
| 2015–16 | Budapest, Hungary | VK Jug CO Vjekoslav Kobescak | 6–4 | Olympiacos |
| 2016–17 | Budapest, Hungary | Szolnok VSK Sandor Cseh | 10–5 | VK Jug CO |
| 2017–18 | Genoa, Italy | Olympiacos Thodoris Vlachos | 9–7 | A.S.D. Pro Recco |
| 2018–19 | Hannover, Germany | FTC Telekom Budapest Zsolt Varga | 10–10 (4–3 pen.) | Olympiacos |
| 2019–20 | No Winner | |||
| 2020–21 |