List of communities in Puerto Rico

In the archipelago and island of Puerto Rico, there are 78 municipalities serving as second-level administrative divisions, and 902 barrios proper, consisting of 828 barrios and 74 barrios-pueblos, serving as third-level divisions. Barrios are subdivided into numerous subbarrios, districts, communities, and/or sectors. As a U.S. territory without sovereignty, Puerto Rico does not have first-level administrative divisions akin to regions, states, provinces, or departments.

The following is a list of the 902 barrios, and some subbarrios, including the 40 subbarrios of Santurce, which is a barrio of San Juan, and communities (comunidad, on the U.S. Census) arranged in alphabetical order.