The 1945–46 Nationalliga A season was the eighth season of the Nationalliga A, the top level of ice hockey in Switzerland. Seven teams participated in the league, and HC Davos won the championship.
Standings
| Pl. | Team | GP | W | T | L | GF–GA | Pts. |
|---|---|---|---|---|---|---|---|
| 1. | HC Davos | 6 | 5 | 1 | 0 | 30:8 | 11 |
| 2. | EHC Basel-Rotweiss | 6 | 4 | 1 | 1 | 20:10 | 9 |
| 3. | EHC Arosa | 6 | 4 | 1 | 1 | 22:18 | 9 |
| 4. | Zürcher SC | 6 | 3 | 0 | 3 | 15:16 | 6 |
| 5. | Young Sprinters Neuchâtel | 6 | 2 | 1 | 3 | 26:29 | 5 |
| 6. | Montchoisi Lausanne | 6 | 1 | 0 | 5 | 14:23 | 2 |
| 7. | SC Bern | 6 | 0 | 0 | 6 | 11:34 | 0 |