The 1948–49 Nationalliga A season was the 11th season of the Nationalliga A, the top level of ice hockey in Switzerland. Eight teams participated in the league, and Zurcher SC won the championship.
| Pl. | Team | GP | W | T | L | GF–GA | Pts. | |
|---|---|---|---|---|---|---|---|---|
| 1. | Zürcher SC | 6 | 6 | 0 | 0 | 57:19 | 12 | |
| 2. | EHC Arosa | 6 | 3 | 1 | 2 | 44:36 | 7 | |
| 3. | Young Sprinters Neuchâtel | 6 | 2 | 1 | 3 | 30:39 | 5 | |
| 4. | Grasshopper-Club | 6 | 0 | 0 | 6 | 18:58 | 0 |
| Pl. | Team | GP | W | T | L | GF–GA | Pts. | |
|---|---|---|---|---|---|---|---|---|
| 1. | EHC Basel-Rotweiss | 6 | 4 | 2 | 0 | 28:19 | 10 | |
| 2. | HC Davos | 6 | 4 | 1 | 1 | 33:16 | 9 | |
| 3. | SC Bern | 6 | 2 | 0 | 4 | 28:29 | 4 | |
| 4. | Montchoisi Lausanne | 6 | 0 | 1 | 5 | 16:41 | 1 |
| Pl. | Team | GP | W | T | L | GF–GA | Pts. | |
|---|---|---|---|---|---|---|---|---|
| 1. | Zürcher SC | 6 | 4 | 1 | 1 | 39:20 | 9 | |
| 2. | HC Davos | 6 | 3 | 1 | 2 | 26:16 | 7 | |
| 3. | EHC Basel-Rotweiss | 6 | 1 | 2 | 3 | 24:35 | 4 | |
| 4. | EHC Arosa | 6 | 2 | 0 | 4 | 31:49 | 4 |
| Pl. | Team | GP | W | T | L | GF–GA | Pts. | |
|---|---|---|---|---|---|---|---|---|
| 5. | Young Sprinters Neuchâtel | 6 | 5 | 0 | 1 | 44:27 | 10 | |
| 6. | SC Bern | 6 | 4 | 0 | 2 | 40:32 | 8 | |
| 7. | Montchoisi Lausanne | 6 | 2 | 1 | 3 | 24:35 | 5 | |
| 8. | Grasshopper-Club | 6 | 0 | 1 | 5 | 29:43 | 1 |