| Daireaux | |
| Native Name: | Partido de Daireaux |
| Settlement Type: | Department |
| Coordinates: | -36.6°N -60.75°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | June 5, 1910 |
| Founder: | Pablo Guglieri |
| Seat Type: | Seat |
| Seat: | Daireaux |
| Leader Party: | Frente de Todos |
| Leader Title: | Mayor |
| Leader Name: | Esteban Alejandro Acerbo |
| Unit Pref: | Metric |
| Area Total Km2: | 3820 |
| Population Total: | 15857 |
| Population Density Km2: | auto |
| Population Demonym: | deroense |
| Postal Code Type: | Postal Code |
| Postal Code: | B6555 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE033 |
| Area Code Type: | Area Code |
| Area Code: | 02316 |
Daireaux Partido is a partido in the central west of Buenos Aires Province in Argentina.
The provincial subdivision has a population of about 16,000 inhabitants in an area of 38200NaN0, and its capital city is Daireaux, 4100NaN0 from Buenos Aires.