| Official Name: | Las Monjas |
| Native Name Lang: | es |
| Settlement Type: | Subbarrio |
| Pushpin Map: | Puerto Rico |
| Pushpin Map Caption: | Location of Las Monjas subbarrio in Hato Rey barrio in San Juan in Puerto Rico |
| Coordinates: | 18.4287°N -66.0537°W |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | San Juan |
| Subdivision Type2: | Barrio |
| Subdivision Name2: | Hato Rey Central |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | .32 |
| Area Land Sq Mi: | .31 |
| Area Water Sq Mi: | .01 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 6018 |
| Population Density Sq Mi: | 19412.9 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 0 |
Las Monjas is a subbarrio, a legal subdivision[1] of Hato Rey Central, a barrio in San Juan, Puerto Rico.[2]