The 1946–47 Nationalliga A season was the ninth season of the Nationalliga A, the top level of ice hockey in Switzerland. Eight teams participated in the league, and HC Davos won the championship.
| Pl. | Team | GP | W | T | L | GF–GA | Pts. | |
|---|---|---|---|---|---|---|---|---|
| 1. | Zürcher SC | 6 | 5 | 1 | 0 | 57:26 | 11 | |
| 2. | EHC Basel-Rotweiss | 6 | 2 | 2 | 2 | 33:28 | 6 | |
| 3. | Montchoisi Lausanne | 6 | 2 | 1 | 3 | 25:28 | 5 | |
| 4. | Grasshopper-Club | 6 | 0 | 2 | 4 | 28:61 | 2 |
| Pl. | Team | GP | W | T | L | GF–GA | Pts. | |
|---|---|---|---|---|---|---|---|---|
| 1. | HC Davos | 6 | 6 | 0 | 0 | 46:8 | 12 | |
| 2. | EHC Arosa | 6 | 3 | 0 | 3 | 56:43 | 6 | |
| 3. | Young Sprinters Neuchâtel | 6 | 3 | 0 | 3 | 48:62 | 6 | |
| 4. | SC Bern | 6 | 0 | 0 | 6 | 18:55 | 0 |