| Official Name: | Viacha |
| Native Name: | Wiyacha |
| Settlement Type: | Municipality |
| Mapsize: | 250px |
| Pushpin Map: | Bolivia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the Viacha Municipality within Bolivia |
| Subdivision Type: | Country |
| Subdivision Name: | Bolivia |
| Subdivision Type1: | Department |
| Subdivision Name1: | La Paz Department |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ingavi Province |
| Seat Type: | Seat |
| Leader Title: | Mayor |
| Leader Name: | Arsenio Lamas Chambi (2007) |
| Leader Title1: | President |
| Leader Name1: | Heriberto Quispe Flores (2007) |
| Established Title: | Foundation |
| Unit Pref: | Imperial |
| Area Total Km2: | 845 |
| Population As Of: | 2001 |
| Population Total: | 46596 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | BOT |
| Utc Offset: | -4 |
| Coordinates: | -16.75°N -68.3333°W |
| Elevation M: | 3900 |
Viacha Municipality is the first municipal section of the Ingavi Province in the La Paz Department, Bolivia. Its seat is Viacha.
The municipality is subdivided into seven cantons:
The people are predominantly indigenous citizens of Aymara descent.[2]
| Ethnic group | % |
|---|---|
| Quechua | 2.9 |
| Aymara | 84.4 |
| Guaraní, Chiquitos, Moxos | 0.2 |
| 12.2 | |
| Other indigenous groups | 0.2 |
Some of the tourist attractions of the municipality are:[3]