1979–80 Nationalliga A
| Season | 1979–80 |
|---|---|
| Champions | Basel |
| Relegated | La Chaux-de-Fonds Lugano |
| European Cup | Basel |
| Cup Winners' Cup | Sion |
| UEFA Cup | Grasshopper Club Servette |
| Top goalscorer | Claudio Sulser (GC) 25 goals |
← 1978–79 1980–81 → | |
| Season | 1979–80 |
|---|---|
| Champions | Bellinzona |
| Promoted | Bellinzona Nordstern |
| Relegated | FC Raron FC Baden |
| Top goalscorer | Roger Ries (Nordstern) 17 goals |
← 1978–79 1980–81 → | |
The following is the summary of the Swiss National League in the 1979–80 football season, both Nationalliga A and Nationalliga B. This was the 83rd season of top-tier and the 82nd season of second-tier football in Switzerland.