El Pilar is an ancient Maya city on the Belize–Guatemala border
El Pilar may also refer to:
Geology El Pilar Fault System, a complex of geological faults in Sucre, northern Venezuela El Pilar mine, a large copper mine in Sonora, Mexico
Buildings El Pilar de Zaragoza (Cathedral-Basilica of Our Lady of the Pillar), a Catholic church in Zaragoza, Aragon, Spain
Places El Pilar de la Mola, a village in Formentera, Balearic Islands, Spain El Pilar (Madrid), a ward (barrio) in Madrid, Spain El Pilar, Venezuela, a town in Sucre, Venezuela