| Ayacucho | |
| Native Name: | Partido de Ayacucho |
| Settlement Type: | Department |
| Coordinates: | -37.15°N -86°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Established Title: | Established |
| Established Date: | July 19, 1865 |
| Founder: | José Zoilo Miguens |
| Seat Type: | Seat |
| Seat: | Ayacucho |
| Leader Party: | Cambiemos |
| Leader Title: | Mayor |
| Leader Name: | Pablo Zubiaurre |
| Unit Pref: | Metric |
| Area Total Km2: | 6785 |
| Population Total: | 20337 |
| Population Density Km2: | auto |
| Population Demonym: | ayacuchense |
| Postal Code Type: | Postal Code |
| Postal Code: | B7150 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE006 |
| Area Code Type: | Area Code |
| Area Code: | 02296 |
Ayacucho Partido is a partido in Buenos Aires Province, Argentina.
The provincial subdivision has a population of 19,669 inhabitants in an area of
6,785 km2 (2,619.7 sq mi), and its capital city is Ayacucho, which is around 330km (210miles) from Buenos Aires.