The 1985–86 Nationalliga A season was the 48th season of the Nationalliga A, the top level of ice hockey in Switzerland. 10 teams participated in the league, and HC Lugano won the championship.
| Pl. | Team | GP | W | T | L | GF–GA | Pts | |
|---|---|---|---|---|---|---|---|---|
| 1. | HC Lugano | 36 | 27 | 4 | 5 | 204 : 108 | 58 | |
| 2. | HC Davos | 36 | 24 | 5 | 7 | 202 : 129 | 53 | |
| 3. | EHC Kloten | 36 | 19 | 3 | 14 | 214 : 140 | 41 | |
| 4. | HC Sierre | 36 | 16 | 5 | 15 | 155 : 167 | 37 | |
| 5. | EHC Biel | 36 | 14 | 5 | 17 | 181 : 199 | 33 | |
| 6. | HC Fribourg-Gottéron | 36 | 14 | 3 | 19 | 157 : 190 | 31 | |
| 7. | HC Ambrì-Piotta | 36 | 11 | 7 | 18 | 161 : 190 | 29 | |
| 8. | EHC Arosa | 36 | 12 | 5 | 19 | 166 : 191 | 29 | |
| 9. | EHC Olten | 36 | 12 | 2 | 22 | 132 : 215 | 26 | |
| 10. | Zürcher SC | 36 | 11 | 1 | 23 | 136 : 179 | 23 |