1988–89 Országos Bajnokság I (men's water polo)


1988–89 Országos Bajnokság I was the 83rd water polo championship in Hungary.

First stage


Pld - Played; W - Won; L - Lost; PF - Points for; PA - Points against; Diff - Difference; Pts - Points.

Championship Playoff

OB I 1988–89
Champions

Vasas
13th Title