| Official Name: | San Antonio |
| Native Name Lang: | es |
| Settlement Type: | Community |
| Coordinates: | 18.4468°N -66.3002°W |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | Dorado |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 1.75 |
| Area Land Sq Mi: | 1.74 |
| Area Water Sq Mi: | .01 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 7574 |
| Population Density Sq Mi: | 4352.9 |
| Elevation Ft: | 184 |
| Postal Code Type: | ZIP Code |
San Antonio is a Spanish; Castilian: comunidad (community) in Higuillar which is one of the 6 barrios of Dorado, Puerto Rico.[1]