São Salvador do Mundo is a concelho (municipality) of Cape Verde.

Its population was 8,677 at the 2010 census, and its area is 26.5 km2, making it the smallest municipality of Cape Verde.

[2] The municipality borders Santa Cruz to the northeast, São Lourenço dos Órgãos to the southeast, Ribeira Grande de Santiago to the southwest and Santa Catarina to the northwest.

The municipality consists of one freguesia (civil parish), São Salvador do Mundo.

The freguesia is subdivided into the following settlements (population data from the 2010 census): It was created in 2005, when a parish of the older Municipality of Santa Catarina was separated to become the Municipality of São Salvador do Mundo.