1997–98 Országos Bajnokság I (men's water polo) was the 92nd water polo championship in Hungary.

First stage #TeamMWDLG+G−P1.BVSC-Westel221930286159412.Vasas SC-Plaket221840236139403.Ferencvárosi TC-Vitalin221453207127334.Újpesti TE-Office & Home221507191116305.Tabán Trafik-Szegedi VE221336180156296.Bp. Spartacus221336192129297.Szolnoki MTE226313149201158.Kontavill-Szentesi VK225215159197129.ÚVMK Eger-Egervin2252151502101210.MAFC2251161192061111.OSC223316133227912.Hódmezővásárhelyi VSC2211201072423

Championship Playoff Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points against; Diff - Difference; Pts - Points.

Championship Playoff

OB I 1997–98Champions BVSC6th Title

Sources Gyarmati Dezső: Aranykor (Hérodotosz Könyvkiadó és Értékesítő Bt., Budapest, 2002.)