El Aguilar is a company mining town and municipality in Jujuy Province in Argentina. At , it is one of the highest settlements in the country after Mina Pirquitas which is at . It has 3655 inhabitants (2001 census).
El Aguilar has an alpine climate (Köppen ET) with two distinct seasons. There is a relatively mild wet season from December to March and a dry season with frigid mornings from April to November.