The 2002–03 OB I bajnokság season was the 66th season of the OB I bajnokság, the top level of ice hockey in Hungary. Six teams participated in the league, and Alba Volan Szekesfehervar won the championship.
| Club | GP | W | T | L | Goals | Pts | ||
|---|---|---|---|---|---|---|---|---|
| 1. | 10 | 10 | 0 | 0 | 88:19 | 20 | ||
| 2. | 10 | 8 | 0 | 2 | 82:21 | 16 | ||
| 3. | 10 | 6 | 0 | 4 | 59:37 | 12 | ||
| 4. | 10 | 3 | 0 | 7 | 41:79 | 6 | ||
| 5. | 10 | 3 | 0 | 7 | 31:78 | 6 | ||
| 6. | 10 | 0 | 0 | 10 | 9:76 | 0 |
| Club | GP | W | T | L | Goals | Pts | ||
|---|---|---|---|---|---|---|---|---|
| 1. | 12 | 11 | 1 | 0 | 84:26 | 23 | ||
| 2. | 12 | 7 | 0 | 5 | 66:34 | 14 | ||
| 3. | 12 | 4 | 2 | 6 | 50:60 | 10 | ||
| 4. | 12 | 0 | 1 | 11 | 30:110 | 1 |