1989–90 Nationalliga A

Nationalliga A
Season1989–90
ChampionsGrasshopper Club
RelegatedBellinzona
Top goalscorerIván Zamorano
St. Gallen (23 goals)
Nationalliga B
Season1989–90
ChampionsNo team was declared champions
PromotedZürich
RelegatedFC Zug
FC Brüttisellen
FC Martigny-Sports
Top goalscorern/a

Statistics of the Swiss National League in the 1989–90 football season, both Nationalliga A and Nationalliga B.