The 1970–71 Nationalliga A season was the 33rd season of the Nationalliga A, the top level of ice hockey in Switzerland. Eight teams participated in the league, and HC La Chaux-de-Fonds won the championship.
First round
edit| Pl. | Team | GP | W | T | L | GF–GA | Pts |
|---|---|---|---|---|---|---|---|
| 1. | HC La Chaux-de-Fonds | 14 | 12 | 2 | 0 | 93:28 | 26 |
| 2. | HC Servette Genève | 14 | 10 | 1 | 3 | 81:44 | 21 |
| 3. | EHC Kloten | 14 | 8 | 2 | 4 | 73:59 | 18 |
| 4. | HC Sierre | 14 | 7 | 2 | 5 | 58:57 | 16 |
| 5. | HC Ambrì-Piotta | 14 | 6 | 1 | 7 | 45:65 | 13 |
| 6. | SC Langnau | 14 | 4 | 1 | 9 | 64:69 | 9 |
| 7. | Zürcher SC | 14 | 3 | 1 | 10 | 54:78 | 7 |
| 8. | EHC Visp | 14 | 0 | 2 | 12 | 32:100 | 2 |
Final round
edit| Pl. | Team | GP | W | T | L | GF–GA | Pts (B) |
|---|---|---|---|---|---|---|---|
| 1. | HC La Chaux-de-Fonds | 8 | 7 | 0 | 1 | 60:14 | 17(3) |
| 2. | HC Servette Genève | 8 | 5 | 0 | 3 | 45:35 | 12(2) |
| 3. | HC Sierre | 8 | 3 | 1 | 4 | 26:31 | 7(0) |
| 4. | HC Ambrì-Piotta | 8 | 3 | 0 | 5 | 24:53 | 6(0) |
| 5. | EHC Kloten | 8 | 1 | 1 | 6 | 20:42 | 4(1) |
Relegation
edit| Pl. | Team | GP | W | T | L | GF–GA | Pts (B) |
|---|---|---|---|---|---|---|---|
| 1. | SC Langnau | 8 | 5 | 1 | 2 | 43:39 | 11(2) |
| 2. | EHC Visp | 8 | 4 | 2 | 2 | 38:32 | 10(0) |
| 3. | Zürcher SC | 8 | 1 | 1 | 6 | 30:40 | 4(1) |