The 1950–51 Nationalliga A season was the 13th season of the Nationalliga A, the top level of ice hockey in Switzerland. Eight teams participated in the league, and EHC Arosa won the championship.
First round
Group 1
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 1. | Zürcher SC | 6 | 5 | 1 | 0 | 31:11 | 11 |
| 2. | EHC Basel-Rotweiss | 6 | 1 | 3 | 2 | 23:27 | 5 |
| 3. | SC Bern | 6 | 2 | 1 | 3 | 23:29 | 5 |
| 4. | HC Davos | 6 | 0 | 3 | 3 | 23:33 | 3 |
Group 2
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 1. | EHC Arosa | 6 | 5 | 1 | 0 | 68:17 | 11 |
| 2. | Lausanne HC | 6 | 4 | 1 | 1 | 38:22 | 9 |
| 3. | Grasshopper-Club | 6 | 1 | 0 | 5 | 22:55 | 2 |
| 4. | Young Sprinters Neuchâtel | 6 | 1 | 0 | 5 | 19:53 | 2 |
Final round
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 1. | EHC Arosa | 6 | 4 | 1 | 1 | 39:21 | 9 |
| 2. | Lausanne HC | 6 | 3 | 2 | 1 | 35:27 | 8 |
| 3. | Zürcher SC | 6 | 2 | 2 | 2 | 21:23 | 6 |
| 4. | EHC Basel-Rotweiss | 6 | 0 | 1 | 5 | 16:40 | 1 |
5th-8th place
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 5. | HC Davos | 6 | 4 | 1 | 1 | 42:26 | 9 |
| 6. | SC Bern | 6 | 3 | 1 | 2 | 35:34 | 7 |
| 7. | Grasshopper-Club | 6 | 3 | 0 | 3 | 36:31 | 6 |
| 8. | Young Sprinters Neuchâtel | 6 | 1 | 0 | 5 | 29:51 | 2 |