1997–98 Országos Bajnokság I (men's water polo)


1997–98 Országos Bajnokság I was the 92nd 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 1997–98
Champions

BVSC
6th Title