1965–66 Swiss 1. Liga

1. Liga
Season1965–66
Champions1. Liga champions:
FC Wettingen
Group West:
Etoile Carouge
Group Cenral:
FC Langenthal
Group South and East:
FC Wettingen
PromotedFC Wettingen
FC Xamax
RelegatedGroup West:
FC Meyrin
FC Montreux-Sports
Group Central:
FC Trimbach
US Bienne-Boujean
Group South and East:
FC Dietikon
FC Oerlikon/Polizei ZH
Matches played3 times 156
and 1 decider
plus 12 play-offs

The 1965–66 1. Liga season was the 34th season of the 1. Liga since its creation in 1931. At this time, the 1. Liga was the third-tier of the Swiss football league system and it was the highest level of total amateur football. At this time, most of the teams in the top two tiers were professional or at least semi-professional.