1939–40 Nationalliga
| Season | 1939–40 |
|---|---|
| Dates | 22 October 1939 to 14 July 1940 |
| Champions | Servette |
| Relegated | None |
| Matches played | 132 |
| Top goalscorer | Georges Aeby (Servette) 22 goals |
← 1938–39 1940–41 → | |
The following is the summary of the Swiss National League in the 1939–40 football season. This was the 43rd season of top-tier football in Switzerland. This was played as "Championnat Suisse de Mobilisation" due to the Second World War.