| San Antero | |
| Settlement Type: | Municipality and town |
| Mapsize: | 250px |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Colombia |
| Subdivision Type: | Country |
| Subdivision Name: |  Colombia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Córdoba Department |
| Population As Of: | 2020 est.[1] |
| Population Total: | 34196 |
| Coordinates: | 9.3833°N -120°W |
| Timezone: | Colombia Standard Time |
| Utc Offset: | -5 |
San Antero is a town and municipality located in the Córdoba Department, northern Colombia. According to 2020 estimates, the population of San Antero was 34,196.