2004–05 OB I bajnoksag season

The 2004-05 OB I bajnokság season was the 68th season of the OB I bajnokság, the top level of ice hockey in Hungary. Six teams participated in the league, and Alba Volan Szekesfehervar won the championship.

5th place

 * Miskolci Jegesmedvék JSE - Gyori HC 3:0/3:5

3rd place

 * Újpesti TE - Ferencvárosi TC 3:2 (4:2, 3:4 n.P., 4:0, 1:5, 4:2)

Final

 * Alba Volán Székesfehérvár - Dunaújvárosi AC 4:3 (3:4, 0:6, 3:1, 0:3, 3:2 SO, 5:1, 1:0)