1956–57 Nationalliga A

Nationalliga A
Season1956–57
ChampionsYoung Boys
RelegatedZürich
Schaffhausen
Top goalscorerAdrien Kauer
(La Chaux-de-Fonds)
29 goals
Nationalliga B
Season1956–57
ChampionsBiel-Bienne
PromotedBiel-Bienne
Grenchen
RelegatedSt. Gallen
Brühl
Top goalscorerWalter Beerli (Luzern)
Günter Sosna (Cantonal)
22 goals

The following is the summary of the Swiss National League in the 1956–57 football season, both Nationalliga A and Nationalliga B. This was the 60th season of top-tier and the 59th season of second-tier football in Switzerland.