HAVK Mladost

Hrvatski akademski vaterpolo klub Mladost (Croatian Academic Water Polo Club Mladost) or simply HAVK Mladost is a professional water polo club based in Zagreb, Croatia. The club was formed in 1946 and it is part of the Mladost sports society. As of the 2021–22 season, it competes in the Croatian League, Regional League A1 and LEN Euro Cup.

Domestic competitions

 * Croatian League
 * Winners (11): 1991–92, 1992–93, 1993–94, 1994–95, 1995–96, 1996–97, 1998–99, 2001–02, 2002–03, 2007–08, 2020–21


 * Croatian Cup
 * Winners (10): 1992–93, 1993–94, 1997–98, 1998–99, 2001–02, 2005–06, 2010–11, 2011–12, 2019–20, 2020–21


 * Yugoslav League (defunct)
 * Winners (6): 1962, 1967, 1969, 1971, 1988–89, 1989–90


 * Yugoslav Cup (defunct)
 * Winners (1): 1988–89

European competitions

 * LEN Champions League
 * Winners (7): 1967–68, 1968–69, 1969–70, 1971–72, 1989–90, 1990–91, 1995–96
 * Runners–up (4): 1970–71, 1992–93, 1996–97, 1999–2000


 * LEN Cup Winners' Cup (defunct)
 * Winners (2): 1975–76, 1998–99
 * Runners–up (1): 2001–02


 * LEN Cup
 * Winners (1): 2000–01
 * Runners–up (1): 2013–14


 * LEN Super Cup
 * Winners (3): 1976, 1989, 1996
 * Runners–up (1): 1990–91

Regional competitions

 * Regional Water Polo League
 * Winners (2): 2018–19, 2019–20


 * COMEN Cup (defunct)
 * Winners (2): 1987, 1990