National Register of Historic Places listings in western Puerto Rico

This is a list of properties and districts in the western municipalities of Puerto Rico that are listed on the National Register of Historic Places (Spanish: Registro Nacional de Lugares Históricos).

It includes places along the western coast, and on islands, and on the western slope of Puerto Rico's Cordillera Central.

The area covered spans 12 municipalities: Moca, Aguadilla, Aguada, Rincón, Añasco, Mayagüez, Hormigueros, San Germán, Sábana Grande, Guánica, Lajas and Cabo Rojo.

Note, the National Register name system does not accommodate Spanish á, ñ and other letters.

This National Park Service list is complete through NPS recent listings posted February 7, 2025.