Országos Bajnokság I

Founded	1984
Country	Hungary
Confederation	MUSz
Number of clubs	10
Domestic cup(s)	Hungarian Cup
International cup(s)	LEN Champions Cup
Current champions	UVSE (2018-19)
Most championships	Szentesi (11)

The Women's Water Polo First League (Női Országos Bajnokság I) is the premier Hungarian championship for women's water polo clubs. First held in 1984, it is currently contested by ten teams.^[1] The champion takes part in the Champions' Cup.^[2]

• BVSC Budapest
• Dunaújvárosi Egyetem
• Eger
• Ferencváros
• Honvéd
• Szeged
• Szentes
• Tatabánya
• UVSE
• UVSE Margitsziget

The teams in Bold play in the 2018-19 season of OB I.

Club	Winners	Runners-up	Third place	Winning years
Szentesi VK	11	10	7	1987, 1990, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2014
Dunaújvárosi Főikola VE	8	5	5	2001, 2002, 2003, 2004, 2005, 2009, 2010, 2011
Budapesti VSC	5	12	7	1986, 1988, 1989, 1991, 1993
UVSE	5	-	-	2015, 2016, 2017, 2018, 2019
Budapesti Honvéd SE	3	1	1	2006, 2007, 2008
Vasas SC	2	3	7	1984, 1985
Egri VK	2	-	4	2012, 2013
Orvosegyetem SC	-	2	3	-
Budapesti EAC	-	2	1	-

The following table lists the Hungarian water polo champions by counties of Hungary.

County (megye)	Titles	Winning clubs
Budapest	15	BVSC (5) Budapesti Honvéd SE (3) UVSE (5) Vasas (2)
Csongrád	11	Szentes (11)
Fejér	8	Dunaújváros (8)
Heves	2	Eger (2)

• The bolded teams are currently playing in the 2017-18 season of the Hungarian League.