1981 Országos Bajnokság I (men's water polo) was the 75th water polo championship in Hungary. There were fourteen teams who played two-round match for the title.
Final list #TeamMWDLG+G−P1.Vasas SC262222311201462.BVSC261862299221423.Medicor-OSC261565238214364.Újpesti Dózsa261376231208335.Ferencvárosi TC261277263229316.Vasas Izzó261277250234317.Tatabányai Bányász2612311216225278.Eger SE2610412225249249.Szolnoki Vízügy26104122382362410.Bp. Honvéd2675142302401911.Szentesi Vízmű2664162252621612.Bp. Spartacus2655161852391513.Szegedi EOL AK2643191942381114.Hódmezővásárhelyi VSE2625192033129
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point
OB I 1981Champions Vasas9th Title
Sources Gyarmati Dezső: Aranykor (Hérodotosz Könyvkiadó és Értékesítő Bt., Budapest, 2002.)