1977–78 OB I bajnoksag season

The 1977–78 OB I bajnokság season was the 41st season of the OB I bajnokság, the top level of ice hockey in Hungary. Four teams participated in the league, and Ferencvarosi TC won the championship.

3rd place

 * Alba Volán Székesfehérvár - Budapesti Vasutas SC 1:2 (3:4, 8:5, 3:5)

Final

 * Ferencvárosi TC - Újpesti Dózsa SC 2:1 (6:3, 3:4, 6:3)