| Guaminí | |
| Native Name: | Partido de Guaminí |
| Settlement Type: | Department |
| Coordinates: | -37°N -86°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | July 28, 1886 |
| Founder: | provincial law 1827 |
| Seat Type: | Seat |
| Seat: | Guaminí |
| Leader Party: | UCR |
| Leader Title: | Mayor |
| Leader Name: | Carlos Alberto Cordero |
| Unit Pref: | Metric |
| Area Total Km2: | 4840 |
| Population Total: | 11257 |
| Population Density Km2: | auto |
| Population Demonym: | guaminense |
| Postal Code Type: | Postal Code |
| Postal Code: | B6435 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE058 |
| Area Code Type: | Area Code |
| Area Code: | 02929 |
| Website: | http://guamini.gov.ar/ |
Guaminí Partido is a partido in the west of Buenos Aires Province in Argentina.
The provincial subdivision has a population of about 11,000 inhabitants in an area of 48400NaN0, and its capital city is Guaminí, which is 4920NaN0 from Buenos Aires.
The economy of Guaminí partido is dominated by the cultivation of wheat, maize, soya beans, sunflowers, alfalfa, sorghum and oats.
Other industries include beef and dairy farming and related farming services.