The 1942–43 OB I bajnokság season was the seventh season of the OB I bajnokság, the top level of ice hockey in Hungary. Four teams participated in the final round, and BBTE Budapest won the championship.
First round
Gruppe Budapest BBTE Budapest and BKE Budapest qualified for final round, Ferencvárosi TC failed to qualify.
Felvidék Group Club GP W T L Goals Pts 1. Kassai VSC 2 20011:24 2. Kassai RAC 2 1015:72 3. Ungvári AC 2 0023:100
Erdély Group Marosvásárhelyi SE and Kolozsvári KE qualified for final round.
Final round
Semifinals BBTE Budapest - Marosvásárhelyi SE 5:4 BKE Budapest - Kolozsvári KE 2:0
Final BBTE Budapest - BKE Budapest
External links Season on hockeyarchives.info