The 1980–81 Nationalliga A season was the 43rd season of the Nationalliga A, the top level of ice hockey in Switzerland. Eight teams participated in the league, and EHC Biel won the championship.
First round
edit| Pl. | Team | GP | W | T | L | GF–GA | Pts |
|---|---|---|---|---|---|---|---|
| 1. | EHC Biel | 28 | 21 | 2 | 5 | 158:113 | 44 |
| 2. | EHC Arosa | 28 | 18 | 2 | 8 | 144:97 | 38 |
| 3. | Fribourg-Gottéron | 28 | 13 | 5 | 10 | 111:106 | 31 |
| 4. | EHC Kloten | 28 | 13 | 2 | 13 | 127:113 | 28 |
| 5. | SC Bern | 28 | 13 | 1 | 14 | 107:132 | 27 |
| 6. | SC Langnau | 28 | 12 | 2 | 14 | 120:120 | 26 |
| 7. | HC Davos | 28 | 11 | 1 | 16 | 98:110 | 23 |
| 8. | Lausanne HC | 28 | 1 | 5 | 22 | 85:159 | 7 |
Final round
edit| Pl. | Team | GP | W | T | L | GF–GA | Pts |
|---|---|---|---|---|---|---|---|
| 1. | EHC Biel | 38 | 28 | 3 | 7 | 208:149 | 59 |
| 2. | EHC Arosa | 38 | 25 | 2 | 11 | 212:138 | 52 |
| 3. | SC Langnau | 38 | 17 | 3 | 18 | 163:158 | 37 |
| 4. | Fribourg-Gottéron | 38 | 15 | 7 | 16 | 143:160 | 37 |
| 5. | SC Bern | 38 | 17 | 2 | 19 | 147:184 | 36 |
| 6. | EHC Kloten | 38 | 15 | 3 | 20 | 180:178 | 33 |
Relegation
edit| Pl. | Team | GP | W | T | L | GF–GA | Pts |
|---|---|---|---|---|---|---|---|
| 1. | HC Davos | 10 | 7 | 2 | 1 | 50:29 | 16 |
| 2. | Zürcher SC | 10 | 7 | 1 | 2 | 44:33 | 15 |
| 3. | HC Ambrì-Piotta | 10 | 5 | 0 | 5 | 54:50 | 10 |
| 4. | Lausanne HC | 10 | 3 | 2 | 5 | 48:60 | 8 |
| 5. | HC Sierre | 10 | 3 | 1 | 6 | 35:41 | 7 |
| 6. | EHC Olten | 10 | 2 | 0 | 8 | 39:57 | 4 |