Hungarian Women's Water Polo First League

The Hungarian Women's Water Polo First League, known natively as the Női Országos Bajnokság I (OB I), serves as the premier tier competition for women's water polo clubs in Hungary. Established in 1984, the league determines the national club champion, which subsequently secures qualification opportunities for international European competitions such as the LEN Champions' Cup.

League Structure and Participants

The competition typically features ten participating club teams competing in a round-robin and playoff format. Historical participant lineups, such as those from the 2017-18 season, featured prominent clubs including BVSC Budapest, Dunaújvárosi Egyetem, Eger, Ferencváros, Honvéd, Szeged, Szentes, Tatabánya, UVSE, and UVSE Margitsziget.

Historical Champions

Since its inception, several clubs have dominated the competition across different eras:

• 1984: Vasas
• 1985: Vasas
• 1985/86: BVSC
• 1986/87: Szentes
• 1987/88: BVSC
• 1988/89: BVSC
• 1989/90: Szentes
• 1990/91: BVSC
• 1991/92: Szentes
• 1992/93: BVSC
• 1993/94: Szentes
• 1994/95: Szentes
• 1995/96: Szentes
• 1996/97: Szentes
• 1997/98: Szentes
• 1998/99: Szentes
• 1999/00: Szentes
• 2000/01: Dunaújváros
• 2001/02: Dunaújváros
• 2002/03: Dunaújváros
• 2003/04: Dunaújváros
• 2004/05: Dunaújváros
• 2005/06: Honvéd
• 2006/07: Honvéd
• 2007/08: Honvéd
• 2008/09: Dunaújváros
• 2009/10: Dunaújváros
• 2010/11: Dunaújváros
• 2011/12: Eger
• 2012/13: Eger
• 2013/14: Szentes
• 2014/15: UVSE
• 2015/16: UVSE
• 2016/17: UVSE
• 2017/18: UVSE
• 2018/19: UVSE