1946 Országos Bajnokság I (men's water polo) was the 40th water polo championship in Hungary. There were eleven teams who played one-round match for the title.

Final list #TeamMWDLG+G−PComments1.Újpesti TE9810555172.MTK98015614163.Vasas SC95316315134.Ferencvárosi TC95225915125.MAFC9522267126.Egri Barátság9306164367.Nemzeti SC9306153868.Csepeli MTK9216194559.MMUE91171764310.Tipográfia NYTE9009282011.Tatabányai SC-------deleted

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

OB I 1946Champions Újpest14th Title

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