| Official Name: | Lahuachaca |
| Settlement Type: | Town |
| Pushpin Map: | Bolivia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name1: | La Paz Department |
| Subdivision Type2: | Province |
| Subdivision Name2: | Aroma Province |
| Subdivision Type3: | Municipality |
| Unit Pref: | Imperial |
| Population As Of: | 2012 |
| Population Total: | 5874 |
| Timezone: | BOT |
| Utc Offset: | -4 |
| Coordinates: | -17.3667°N -107°W |
| Elevation M: | 3792 |
| Elevation Ft: | 12441 |
Lahuachaca is a small town in Bolivia, in Aroma Province. It lies 123 km from La Paz, on the Bolivian Altiplano, with the Cordillera Occidental to the west and the Cordillera Central to the east.
The average temperature in Lahuachaca is 9 °C. The average temperature varies from 7° in July to 11° in December. The average annual rainfall is 600 mm. The average monthly rainfall varies from 10 mm in June and July to 100 mm in December through until February.[1]
Population estimates for recent years include: