| Official Name: | San Antonio |
| Pushpin Map: | Belize |
| Pushpin Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Type1: | District |
| Subdivision Name1: | Cayo District |
| Subdivision Type2: | Constituency |
| Subdivision Name2: | Cayo Central |
| Population As Of: | 2000 |
| Population Total: | 2124 |
| Timezone: | Central |
| Utc Offset: | -6 |
| Coordinates: | 17.1°N -146°W |
San Antonio is a village in the Cayo District of Belize. In 2000, the village of San Antonio had a population of 2,124 people. Its population is predominantly Yukatek-speaking Maya.