| Bahia Blanca | |
| Native Name: | Partido de Bahia Blanca |
| Settlement Type: | Department |
| Coordinates: | -38.7°N -78°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Established Title: | Established |
| Established Date: | April 11, 1828 |
| Founder: | Colonel Ramón Bernabé Estomba |
| Seat Type: | Seat |
| Seat: | Bahía Blanca |
| Leader Party: | UP |
| Leader Title: | Intendant |
| Leader Name: | Federico Susbieles |
| Unit Pref: | Metric |
| Area Total Km2: | 2300 |
| Population Total: | 284776 |
| Population Density Km2: | auto |
| Population Demonym: | bahiense |
| Postal Code Type: | Postal Code |
| Postal Code: | B8000 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE008 |
| Area Code Type: | Area Code |
| Area Code: | 0291 |
| Blank Name Sec1: | Patron saint |
| Blank Info Sec1: | Merced Virgen |
The Partido de Bahía Blanca is a partido of the Buenos Aires Province is located at the south-west of the province in central Argentina at coordinates -38.7°N -78°W
The provincial subdivision holds a population of 284,776 inhabitants in an area of
2,300 km2 (888 sq mi), and its capital city is Bahía Blanca, on the shore of the Atlantic Ocean.The city of Bahía Blanca has a strong sporting tradition. It is home to two football clubs, Olimpo de Bahía Blanca and Club Villa Mitre (second division).
The city is also well known for its basketball club Estudiantes which is on the Liga Nacional de Basquetbol.
Bahía Blanca Partido is subdivided into eleven divisions known as localidades:
The main towns in Bahia Blanca Partido are, including its population according to the :