1999–2000 Nationalliga A
| Season | 1999–2000 |
|---|---|
| Champions | St. Gallen 2nd title |
| Relegated | Delémont |
| Top goalscorer | Charles Amoah (25 goals) |
← 1998–99 2000–01 → | |
The 1999–2000 season of the Swiss Nationalliga contained two divisions, each with twelve clubs. The top tier was called Nationalliga A (NLA) (French: Ligue Nationale A, Italian: Lega Nazionale A) and the second tier was named Nationalliga B (NLB).