1940–41 OB I bajnoksag season

The 1940–41 OB I bajnokság season was the fifth season of the OB I bajnokság, the top level of ice hockey in Hungary. Teams first participated in regional groups. Three teams participated in the final round, and BBTE Budapest won the championship.

North Group
Won by Kassai AC.

Kolozsvár Group
Won by Kolozsvári KE.