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.
Regular season
edit| Team | GP | W | L | T | GF | GA | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1. | Seibu Tetsudo | 12 | 11 | 1 | 0 | 109 | 21 | 22 |
| 2. | Oji Seishi Hockey | 12 | 9 | 3 | 0 | 55 | 20 | 18 |
| 3. | Iwakura Ice Hockey Club | 12 | 7 | 5 | 0 | 53 | 44 | 14 |
| 4. | Furukawa Ice Hockey Club | 12 | 2 | 10 | 0 | 25 | 104 | 4 |
| 5. | Fukutoku Ice Hockey Club | 12 | 1 | 11 | 0 | 17 | 70 | 2 |