2002–03 Országos Bajnokság I (men's water polo)

2002–03 Országos Bajnokság I (men's water polo) was the 97th water polo championship in Hungary.

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

Final

 * 1st leg


 * 2nd leg