The 1951–52 Nationalliga A season was the 14th 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. | EHC Arosa | 6 | 6 | 0 | 0 | 36:18 | 12 |
| 2. | Zürcher SC | 6 | 2 | 1 | 3 | 14:25 | 5 |
| 3. | HC Davos | 6 | 1 | 2 | 3 | 29:27 | 4 |
| 4. | Grasshopper-Club | 6 | 0 | 3 | 3 | 20:29 | 3 |
Group 2
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 1. | EHC Basel-Rotweiss | 6 | 5 | 0 | 1 | 24:16 | 10 |
| 2. | Young Sprinters Neuchâtel | 6 | 3 | 0 | 3 | 21:19 | 6 |
| 3. | SC Bern | 6 | 2 | 0 | 4 | 16:19 | 4 |
| 4. | Lausanne HC | 6 | 2 | 0 | 4 | 17:24 | 4 |
Final round
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 1. | EHC Arosa | 6 | 6 | 0 | 0 | 37:6 | 12 |
| 2. | EHC Basel-Rotweiss | 6 | 3 | 0 | 3 | 24:19 | 6 |
| 3. | Zürcher SC | 6 | 2 | 1 | 3 | 20:26 | 5 |
| 4. | Young Sprinters Neuchâtel | 6 | 0 | 1 | 5 | 12:42 | 1 |
5th-8th place
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 5. | SC Bern | 6 | 4 | 0 | 2 | 30:26 | 8 |
| 6. | Grasshopper-Club | 6 | 2 | 2 | 2 | 28:25 | 6 |
| 7. | Lausanne HC | 6 | 2 | 2 | 2 | 20:21 | 6 |
| 8. | HC Davos | 6 | 0 | 4 | 2 | 23:29 | 4 |
Relegation
- HC Davos - HC La Chaux-de-Fonds 13:3