The 1970–71 Japan Ice Hockey League season was the fifth season of the Japan Ice Hockey League. Five teams participated in the league, and the Seibu Tetsudo won the championship.
| Team | GP | W | L | T | GF | GA | Pts | ||
|---|---|---|---|---|---|---|---|---|---|
| 1. | Seibu Tetsudo | 12 | 11 | 1 | 0 | 109 | 21 | 22 | |
| 2. | 12 | 9 | 3 | 0 | 55 | 20 | 18 | ||
| 3. | Iwakura Ice Hockey Club | 12 | 7 | 5 | 0 | 53 | 44 | 14 | |
| 4. | 12 | 2 | 10 | 0 | 25 | 104 | 4 | ||
| 5. | Fukutoku Ice Hockey Club | 12 | 1 | 11 | 0 | 17 | 70 | 2 |