1964–65 OB I bajnoksag season

The 1964–65 OB I bajnokság season was the 28th season of the OB I bajnokság, the top level of ice hockey in Hungary. Eight teams participated in the league, and Ujpesti Dozsa SC won the championship.

Final

 * Újpesti Dózsa SC - BVSC Budapest 3:2/3:3