The 1965–66 OB I bajnokság season was the 29th 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.

First round Club GP W T L Goals Pts 1. BVSC Budapest 14 121193:1925 2. Újpesti Dózsa SC 14 1112129:3923 3. Ferencvárosi TC 14 1022119:3222 4. Vörös Meteor Budapest 14 70782:4214 5. Elõre Budapest 14 51841:8811 6. Postás Budapest 14 50955:12210 7. Építõk Budapest 14 211129:815 8. Spartacus Budapest 14 101328:1532

Second round

Final round Club GP W T L Goals Pts 1. Újpesti Dózsa SC 20 1622165:6134 2. Ferencvárosi TC 20 1433142:4331 3. BVSC Budapest 20 1226116:5026 4. Vörös Meteor Budapest 20 811195:7317

Placing round Club GP W T L Goals Pts 5. Postás Budapest 20 901196:14918 6. Elõre Budapest 20 731068:10917 7. Építõk Budapest 20 531257:9913 8. Spartacus Budapest 20 201845:2004

External links Season on hockeyarchives.info