| Carlos Casares | |
| Native Name: | Partido de Carlos Casares |
| Settlement Type: | Department |
| Coordinates: | -35.6167°N -83°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | January 8, 1907 |
| Founder: | provincial law |
| Seat Type: | Seat |
| Seat: | Carlos Casares |
| Leader Party: | UCR |
| Leader Title: | Mayor |
| Leader Name: | Omár Ángel Foglia |
| Unit Pref: | Metric |
| Area Total Km2: | 2520 |
| Population Total: | 21125 |
| Population Density Km2: | auto |
| Population Demonym: | casarense |
| Postal Code Type: | Postal Code |
| Postal Code: | B6530 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE020 |
| Area Code Type: | Area Code |
| Area Code: | 02395 |
Carlos Casares Partido is a partido of Buenos Aires Province in Argentina.
The provincial subdivision has a population of about 21,000 inhabitants in an area of 2520sqkm. Its capital city is Carlos Casares, which is around 257km (160miles) from Buenos Aires.