1945 Országos Bajnokság I (men's water polo) was the 39th water polo championship in Hungary. There were eight teams who played one-round match for the title.
Final list #TeamMWDLG+G−PComments1.Újpesti TE55002110102.Vasas SC5401281383.Ferencvárosi TC530215864.MMUE5203162545.MTK5104112226.Csepeli MTK50057200–Egri Barátság-------deleted–Tatabányai SC-------deleted
* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G−: Goals got P: Point
OB I 1945Champions Újpest13th Title
2. Class 1. NSC 14, 2. Tipográfia 11, 3. KaSE 10, 4. MTE 8, 5. Postás 6 point.
Sources Gyarmati Dezső: Aranykor (Hérodotosz Könyvkiadó és Értékesítő Bt., Budapest, 2002.)