1970 Országos Bajnokság I (men's water polo) was the 64th water polo championship in Hungary. There were ten teams who played a two-round match for the title.

Final list #TeamMWDLG+G−P1.OSC18180010446362.Szolnoki Dózsa189728470253.Ferencvárosi TC189456455224.Újpesti Dózsa187657061205.Egri Dózsa186577981176.Bp. Spartacus185586987157.Vasas Izzó1862107486148.Vasas SC1843116273119.Bp. Honvéd18261068901010.BVSC183411628710

* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point

OB I 1970Champions Orvosegyetem2nd Title

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