2009–10 Országos Bajnokság I (men's water polo) (known as the Vodafone férfi OB I osztályú Országos Bajnokság for sponsorship reasons) was the 104th water polo championship in Hungary.
First stage #TeamMGyDVG+G−P1.ZF-Egri VK201712221141522.TEVA-Vasas SC-Plaket201613273126493.Szeged-Beton VE201433204139454.Ferencvárosi TC201316182155405.Domino-Bp. Honvéd201226199145386.Szolnoki Főiskola VSC-Közgép20947179161317.BVSC-Zugló207112161219228.Uniqa-Újpesti TE205114131202169.Pécsi Vízmű-Pécsi VSK2033141572221210.OSC2032151472331111.Szentesi VK2011181252364
Championship Playoff European competition Playoff Relegation Playoff Pld - Played; W - Won; L - Lost; G+ - Points for; G− - Points against; Diff - Difference; P - Points.
Championship Playoff
European competition Playoff #TeamMWDLG+G−PBP5.Domino-Bp. Honvéd6600683730186.Szolnoki Főiskola VSC-Közgép6321513819117.BVSC-Zugló611447621048.Uniqa-Újpesti TE6105467563
LEN Cup qualification Pld - Played; W - Won; L - Lost; G+ - Points for; G− - Points against; Diff - Difference; P - Points; BP - Bonus Points.
Relegation Playoff #TeamMWDLG+G−PBP9.Pécsi Vízmű-Pécsi VSK4211433719710.OSC4220413117811.Szentesi VK4013314771
Relegation Pld - Played; W - Won; L - Lost; G+ - Points for; G− - Points against; Diff - Difference; P - Points; Bp - Bonus Points.
Final standing
Qualified for the 2010–11 LEN Euroleague Qualified for the 2010–11 LEN Cup
RankTeam TEVA-VasasPlaket ZF-Eger Szeged-Beton VE 4 Ferencvárosi TC 5 Domino-Honvéd6 Szolnoki Főiskola VSC-Közgép 7 BVSC-Zugló 8 Uniqa-Újpesti TE 9 Pécsi Vízmű-Pécsi VSK10 OSC-Opus Via11 Szentesi VK
2009–10 OB I ChampionsTEVA-VasasPlaket17th Title 1 Viktor Nagy, 2 Ádám Decker, 3 Bence Fülöp, 4 Gergely Katonás5 Norbert Hosnyánszky, 6 Viktor Vörös, 7 Róbert Kovács Csatlós, 8 Krisztián Létay9 Dénes Varga, 10 Dániel Varga, 11 Gábor Kis12 Bálint Takács, 13 Dávid Hőna, 14 György JónásHead coachLászló Földi
Sources Magyar sportévkönyv 2011