| Official Name: | San Borja |
| Settlement Type: | Municipality |
| Coordinates: | -14.6667°N -66.8333°W |
| Pushpin Map: | Bolivia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of San Rafael within Bolivia |
| Subdivision Type: | Country |
| Subdivision Name: | Bolivia |
| Subdivision Type1: | Department |
| Subdivision Name1: | Beni |
| Subdivision Type2: | Province |
| Subdivision Name2: | José Ballivián |
| Seat Type: | Seat |
| Seat: | San Borja |
| Leader Title: | Mayor |
| Leader Name: | Walter Ronald Tovías Simond (2008) |
| Leader Title1: | President |
| Leader Name1: | Sagir Dayer Asbun (2008) |
| Unit Pref: | Imperial |
| Area Total Km2: | 13350 |
| Elevation M: | 200 |
| Population As Of: | 2001 |
| Population Total: | 34363 |
| Population Density Km2: | auto |
| Timezone: | BOT |
| Utc Offset: | -4 |
San Borja is the second municipal section of the José Ballivián Province in the Beni Department of Bolivia. The seat of the municipality is the town of San Borja.
The languages spoken in the San Borja Municipality are mainly Spanish, Chimane, Aymara and Quechua.
| Language | Inhabitants |
|---|---|
| Quechua | 1,840 |
| Aymara | 2,196 |
| Guaraní | 29 |
| Another native | 5,890 |
| 27,547 | |
| Foreign | 270 |
| Only native | 4,219 |
| Native and Spanish | 5,325 |
| Only Spanish | 22,233 |