1983–84 Swiss 1. Liga

Within each group, the teams would play a double round-robin to decide their league position.

The four group winners and the four runners-up contested a first play-off round to decide three promotion slots.

Etoile Carouge FC win 3–1 on aggregate and continue to the finals.

[9] Etoile Carouge FC win on away goals and are promoted to 1984–85 Nationalliga B.

FC Rorschach win 3–1 on aggregate and remain in division.