The 2002–03 Japan Ice Hockey League season was the 37th season of the Japan Ice Hockey League. Five teams participated in the league, and Kokudo Ice Hockey Club won the championship.
| Team | GP | W | OTW | SOW | OTL | L | GF | GA | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 32 | 15 | 2 | 3 | 3 | 9 | 108 | 84 | 41,5 | ||
| 2. | 32 | 16 | 1 | 2 | 2 | 11 | 131 | 100 | 39 | ||
| 3. | 32 | 14 | 1 | 1 | 3 | 13 | 104 | 100 | 34,5 | ||
| 4. | 32 | 12 | 0 | 2 | 5 | 13 | 89 | 102 | 32 | ||
| 5. | 32 | 7 | 0 | 4 | 3 | 18 | 68 | 114 | 23 |