1969–70 Nationalliga A
| Season | 1969–70 |
|---|---|
| Champions | Basel |
| Relegated | Wettingen St. Gallen |
| Top goalscorer | Fritz Künzli (Zürich) 19 goals |
← 1968–69 1970–71 → | |
| Season | 1969–70 |
|---|---|
| Champions | Sion |
| Promoted | Sion Luzern |
| Relegated | Thun FC Langenthal |
| Top goalscorer | Hans-Jürgen Ferdinand (Chiasso) 24 goals |
← 1968–69 1970–71 → | |
The following is the summary of the Swiss National League in the 1969–70 football season, both Nationalliga A and Nationalliga B. This was the 73rd season of top-tier and the 72nd season of second-tier football in Switzerland.