1931 Országos Bajnokság I (men's water polo)


1931 Országos Bajnokság I was the 25th water polo championship in Hungary. There were nine teams who played match for the title.

Final list

* M: Matches W: Win D: Drawn L: Lost G+: Goals earned G-: Goals got P: Point
OB I 1931
Champions

Újpest
2nd Title