Colonia 18 de Julio is a caserío (hamlet) in the Salto Department of northwestern Uruguay.

The hamlet is located in the outskirts of the city of Salto.

In 2011 Colonia 18 de Julio had a population of 750.

[1] Source: Instituto Nacional de Estadística de Uruguay[2]

This article about a place in Salto Department is a stub.