1973 Országos Bajnokság I (men's water polo) was the 67th water polo championship in Hungary. There were ten teams who played two-round match for the title.
Final list #TeamMWDLG+G−P1.OSC18126010066302.Újpesti Dózsa188738166233.Ferencvárosi TC189457570224.Egri Dózsa1875610691195.Vasas SC187568576196.BVSC188288182187.Vasas Izzó185767579178.Bp. Spartacus185766465179.Bp. Honvéd18431166891110.Szentesi Vízmű181215681174
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point
OB I 1973Champions Orvosegyetem5th Title
Sources Gyarmati Dezső: Aranykor (Hérodotosz Könyvkiadó és Értékesítő Bt., Budapest, 2002.)