| San Fernando | |
| Native Name: | Partido de San Fernando |
| Native Name Lang: | es |
| Settlement Type: | Partido |
| Image Blank Emblem: | Municipio sanfernando logo.png |
| Blank Emblem Type: | Logo |
| Blank Emblem Size: | 150 |
| Image Map1: | Argentina - Buenos Aires - San Fernando.svg |
| Map Caption1: | Location of continental part of San Fernando Partido in Greater Buenos Aires and Buenos Aires Province |
| Coordinates: | -34.45°N -92°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Seat Type: | Seat |
| Seat: | San Fernando |
| Leader Party: | FR-FdT |
| Leader Title: | Mayor |
| Leader Name: | Juan Andreotti |
| Unit Pref: | Metric |
| Area Total Km2: | 950 |
| Population Footnotes: | [1] |
| Population Total: | 163240 |
| Population Density Km2: | auto |
| Population Demonym: | sanfernandino/a |
| Postal Code Type: | Postal Code |
| Postal Code: | B1646 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE114 |
| Area Code Type: | Area Code |
| Area Code: | 011 |
| Blank Name Sec1: | Patron saint |
| Blank Info Sec1: | Nuestra Señora de Aránzazu |
San Fernando is a partido of Buenos Aires Province, Argentina, in the north of Greater Buenos Aires. Its capital is San Fernando. It is twenty-eight kilometers from the city of Buenos Aires.
Of the 163,240 inhabitants recorded in the 2010 census, the distribution is:[1]
76,726
44,959
38,599