1990–91 Nationalliga A

Nationalliga A
Season1990–91
ChampionsGrasshopper Club
Relegatednone
Top goalscorerDario Zuffi,
Young Boys, (17 goals)
Nationalliga B
Season1990–91
ChampionsNo team was declared champions
Promotednone
RelegatedChênois
SC Burgdorf
FC Montreux-Sports
Top goalscorern/a

Statistics of the Swiss National League in the 1990–91 football season, both Nationalliga A and Nationalliga B.