1955–56 Nationalliga A
| Season | 1955–56 |
|---|---|
| Champions | Grasshopper Club |
| Relegated | Grenchen Fribourg |
| Top goalscorer | Branislav Vukosavljević (GC) 33 goals |
← 1954–55 1956–57 → | |
| Season | 1955–56 |
|---|---|
| Champions | Winterthur |
| Promoted | Winterthur Young Fellows |
| Relegated | Blue Stars Rapid Lugano |
| Top goalscorer | Walter Beerli (Luzern) Günter Sosna both 22 goals |
← 1954–55 1956–57 → | |
The following is the summary of the Swiss National League in the 1955–56 football season, both Nationalliga A and Nationalliga B. This was the 59th season of top-tier and the 58th season of second-tier football in Switzerland.