1966 Campeonato Ecuatoriano de Fútbol

The 1966 Campeonato Ecuatoriano de Fútbol (Ecuadorian Football Championship) was the 8th national championship for football teams in Ecuador. Barcelona won their third national title. They qualified to the 1967 Copa Libertadores along with Emelec.

Qualified teams
The number of teams expanded to sixteen. The qualified teams included the top-eight finishers from the Campeonato Interandino and the Campeonato de Guayaquil.