| Nueve de Julio | |
| Native Name: | Partido de Nueve de Julio |
| Settlement Type: | Department |
| Image Blank Emblem: | Municipio 9 julio logo.png |
| Blank Emblem Size: | 150 |
| Coordinates: | -35.444°N -60.8846°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | July 9, 1865 |
| Founder: | Julio de Vedia |
| Seat Type: | Seat |
| Seat: | 9 de Julio |
| Leader Party: | Juntos por el Cambio - PRO |
| Leader Title: | Mayor |
| Leader Name: | Mariano Edmundo Barroso |
| Unit Pref: | Metric |
| Area Total Km2: | 4230 |
| Population Total: | 45998 |
| Population Density Km2: | auto |
| Population Demonym: | nuevejuliense |
| Postal Code Type: | Postal Code |
| Postal Code: | B6500 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE089 |
| Area Code Type: | Area Code |
| Area Code: | 02317 |
| Blank Name Sec1: | Patron saint |
| Blank Info Sec1: | ? |
Nueve de Julio Partido (9 of July) is a partido in the central north of Buenos Aires Province in Argentina.
The provincial subdivision has a population of about 46,000 inhabitants in an area of 4230sqkm, and its capital city is 9 de Julio, which is around 262km (163miles) from Buenos Aires.
The name 9 de Julio was inspired by July 9, 1816, Argentine Independence Day, the date that Argentina gained its independence from the Spanish Empire.