| Obrero | |
| Settlement Type: | Subbarrio |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | San Juan |
| Subdivision Type2: | Barrio |
| Subdivision Name2: | Santurce |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | .42 |
| Area Land Sq Mi: | .40 |
| Area Water Sq Mi: | .02 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 10316 |
| Population Density Sq Mi: | 25790 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 10 |
| Postal Code Type: | Zip code |
Obrero (often called Barrio Obrero) is one of 40 subbarrios of Santurce in the municipality of San Juan, Puerto Rico. Obrero is the most populated subbarrio in Santurce. The Residencial Las Casas public housing is located in the area.
In 2000, Obrero had a population of 11,467.[1]
In 2010, Obrero had a population of 10,316 and a population density of 25,790 persons per square mile.[2]
Hurricane Maria which hit Puerto Rico on September 20, 2017 devastated Obrero with major flooding and winds that tore roofs off homes.[3] [4]