Nueve de Julio (or 9 de Julio) means July 9 in Spanish. It may refer to:
The date of the Argentine Declaration of Independence One of the following cities and towns in Argentina: Nueve de Julio, Buenos Aires Province Nueve de Julio, Corrientes Nueve de Julio, Misiones Nueve de Julio, San Juan 9 de Julio Avenue in Buenos Aires City Nueve de Julio District, Peru Protected Cruiser Nueve de Julio (1892), a former cruiser in the Argentine Navy ARA Nueve de Julio (C-5), a former cruiser in the Argentine Navy 9 de Julio station (Mendoza), Argentina 9 de Julio (Buenos Aires Underground), Argentina
See also Nueve de Julio Partido, Buenos Aires Nueve de Julio Department (disambiguation), several national subdivisions in Argentina