The 1965–66 Primera División de Fútbol Profesional season is the th tournament of El Salvador's Primera División since its establishment of the National League system in 1948.
The tournament began on 19 September 1965 and finished on July 10, 1966.
secured its first Primera División title.
This is a list of foreign players in 1965-66 Campeonato.
Juventud Olimpico Once Municipal Quequeisque