| This article relies largely or entirely on a single source .(June 2025) | 
| Tandil Partido de Tandil | |
|---|---|
|   location of Tandil Partido in Buenos Aires Province | |
| Coordinates: 37°04′S59°08′W / 37.067°S 59.133°W | |
| Country | Argentina | 
| Established | April 4, 1823 | 
| Founded by | Martin Rodriguez | 
| Seat | Tandil | 
| Government | |
| • Mayor | Miguel Ángel Lunghi (UCR-JxC) | 
| Area | |
|  • Total | 4,935 km2 (1,905 sq mi) | 
| Population | |
|  • Total | 108,109 | 
| • Density | 22/km2 (57/sq mi) | 
| Demonym | tandilense | 
| Postal Code | B2740 | 
| IFAM | |
| Area Code | 02478 | 
| Patron saint | ? | 
| Website | tandil.gov.ar | 
Tandil Partido is a partido (Administrative territorial entity of Buenos Aires Province, Argentina) of Buenos Aires Province in Argentina.
The provincial subdivision has a population of about 108,000 inhabitants in an area of 4,935 km2 (1,905 sq mi), and its capital city is Tandil, which is around 350 km (220 mi) from Buenos Aires.