Leagues and Clubs of Switzerland1917/18
Serie A (1. League)
- Blue Stars Zürich
- Cantonal Neuchâtel
- Étoile La Chaux-de-Fonds
- FC Aarau
- FC Baden
- FC Basel
- FC Bern
- FC Biel/Bienne
- FC Fribourg
- FC La Chaux-de-Fonds
- FC St. Gallen
- FC Winterthur
- FC Zürich
- Montreux Sports
- Montriond Sports
- Nordstern Basel
- Old Boys Basel
- SC Brühl St. Gallen
- Servette Genève
- Young Boys Bern
- Young Fellows Zürich