| Team: | HAVK Mladost |
| Pixels: | 190px |
| League: | Croatian League Regional League A1 LEN Euro Cup |
| City: | Zagreb, Croatia |
| President: | Boris Labar |
| Coach: | Zoran Bajić |
| Website: | havk-mladost.hr |
Hrvatski akademski vaterpolo klub Mladost (en|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.[1] As of the 2021–22 season, it competes in the Croatian League, Regional League A1 and LEN Euro Cup.
Winners (11): 1991–92, 1992–93, 1993–94, 1994–95, 1995–96, 1996–97, 1998–99, 2001–02, 2002–03, 2007–08, 2020–21
Winners (10): 1992–93, 1993–94, 1997–98, 1998–99, 2001–02, 2005–06, 2010–11, 2011–12, 2019–20, 2020–21
Winners (6): 1962, 1967, 1969, 1971, 1988–89, 1989–90
Winners (1): 1988–89
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
Winners (2): 1975–76, 1998–99
Runners–up (1): 2001–02
Winners (1): 2000–01
Runners–up (1): 2013–14
Winners (3): 1976, 1990, 1996
Runners–up (1): 1991
Winners (2): 2018–19, 2019–20
Winners (2): 1987, 1990