San Bartolomé Perulapía is a municipality in the Cuscatlán department of El Salvador.

It is located on the highway between San Martín and Suchitoto.

The following statistics are for a city of the same name within the municipality: When the Spanish conquistadors came, the location was part of three native towns called pupulapan.

[citation needed] It was part of the department of San Salvador from 1824 until 1835, at which time it was turned over to Cuscatlán.

Because of an earthquake in 1872, the town was moved a kilometer from its original location.