Urmiri Municipality is the third municipal section of the Tomás Frías Province in the Potosí Department in Bolivia. Its seat is Urmiri.

The municipality consists of the following cantons:

• Cahuayo
• Urmiri

The people are predominantly indigenous citizens of Quechua and Aymara descent.

Ethnic group	%
Quechua	49.3
Aymara	46.6
Guaraní, Chiquitos, Moxos	0.0
Not indigenous	4.1
Other indigenous groups	0.1

• Urmiri Municipality: population data and map