Cuscatla'n is a department of El Salvador, located in the center of the country. With a surface area of 756.19 km², it is El Salvador's smallest department. It is inhabited by more than 200,000 people.

Cuscatla'n or Cuzcatla'n was the name the original inhabitants of the Western part of the country gave to most of the territory that is now El Salvador. In their language it means "land of precious jewels".