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.
First round
Group 1
| 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 |
Group 2
| 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 |
Final round
| 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 |
5th-8th place
| 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 |