| Belgrano Department | |
| Native Name Lang: | es |
| Settlement Type: | Department |
| Mapsize: | 200px |
| Population: | 3,881 |
| Population As Of: | 2001 |
| Coordinates: | -32.65°N -93°W |
| Subdivision Type: | Argentina |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Area Total Km2: | 6,626 |
| Blank Name: | Capital |
| Blank Info: | Villa General Roca |
Belgrano is a department of San Luis Province, Argentina.
With an area of 6626sqkm it borders to the north with the departments of Ayacucho, to the east with Ayacucho and Coronel Pringles, to the south with Juan Martín de Pueyrredón, and to the west with Mendoza Province.