The 1973–74 Nationalliga A season was the 36th season of the Nationalliga A, the top level of ice hockey in Switzerland. Eight teams participated in the league, and SC Bern won the championship.
| Pl. | Team | GP | W | T | L | GF–GA | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1. | SC Bern | 28 | 21 | 5 | 2 | 162:66 | 47 | |
| 2. | HC La Chaux-de-Fonds | 28 | 22 | 2 | 4 | 181:84 | 46 | |
| 3. | HC Sierre | 28 | 14 | 4 | 10 | 120:123 | 32 | |
| 4. | HC Ambrì-Piotta | 28 | 11 | 3 | 14 | 116:122 | 25 | |
| 5. | HC Servette Genève | 28 | 10 | 5 | 23 | 107:132 | 25 | |
| 6. | SC Langnau | 28 | 9 | 3 | 16 | 87:123 | 21 | |
| 7. | EHC Kloten | 28 | 7 | 4 | 17 | 97:151 | 18 | |
| 8. | Zürcher SC | 28 | 4 | 2 | 22 | 84:153 | 10 |