1973–74 Nationalliga A

Nationalliga A
Season1973–74
ChampionsZürich
RelegatedLa Chaux-de-Fonds
Chiasso
Top goalscorerDaniel Jeandupeux (Zürich)
22 goals
Nationalliga B
Season1973–74
ChampionsLuzern
PromotedLuzern
Vevey-Sports
RelegatedYoung Fellows
FC Tössfeld
Top goalscorerPierre-Albert Waeber
(FC Grenchen)
19 goals

The following is the summary of the Swiss National League in the 1973–74 football season, both Nationalliga A and Nationalliga B. This was the 77th season of top-tier and the 76th season of second-tier football in Switzerland.