The 1939–40 OB I bajnokság season was the fourth season of the OB I bajnokság, the top level of ice hockey in Hungary. Three teams participated in the league, and BKE Budapest won the championship.
Regular season
Club GP W T L Goals Pts 1. BKE Budapest 4 30118:56 2. BBTE Budapest 4 3019:66 3. Ferencvárosi TC 4 0040:160
External links Season on hockeyarchives.info