Nueve de Julio is a town in the province of San Juan, Argentina. It is located in the Cuyo region of west-central Argentina, within the department of the same name.
According to the 2001 census conducted by INDEC, the national statistics institute of Argentina, the town had a population of 7,652 inhabitants. It is one of several settlements in San Juan province that share the name Nueve de Julio, which commemorates Argentina's Independence Day.