Colquechaca (in hispanicized spelling) or Qullqichaka (Quechua qullqi silver, money, chaka bridge, "silver bridge") is the first municipal section of the Chayanta Province in the Potosí Department in Bolivia. Its seat is Colquechaca.

The municipality consists of the following cantons:

• Ayoma
• Colquechaca
• Macha
• Rosario
• Surumi

The people are predominantly indigenous citizens of Quechua descent.

Ethnic group	%
Quechua	95.3
Aymara	0.9
Guaraní, Chiquitos, Moxos	0.0
Not indigenous	3.8
Other indigenous groups	0.0

• Colquechaca Municipality: population data and map