| Lomas de Zamora | |
| Native Name: | Partido de Lomas de Zamora |
| Settlement Type: | Partido |
| Image Blank Emblem: | Símbolo del Partido de Lomas de Zamora.svg |
| Blank Emblem Size: | 50 |
| Coordinates: | -34.7667°N -81°W |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Established Title: | Established |
| Established Date: | July 10, 1861 |
| Founder: | Esteban Adrogué |
| Seat Type: | Seat |
| Seat: | Lomas de Zamora |
| Leader Party: | UxP |
| Leader Title: | Mayor |
| Leader Name: | Federico Otermín |
| Unit Pref: | Metric |
| Area Total Km2: | 89 |
| Population Footnotes: | [1] |
| Population Total: | 613,192 |
| Population Density Km2: | auto |
| Population Demonym: | lomense |
| Postal Code Type: | Postal Code |
| Postal Code: | B1832 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE074 |
| Area Code Type: | Area Code |
| Area Code: | 011 |
| Blank Name Sec1: | Patron saint |
| Blank Info Sec1: | Nuestra Señora de la Paz |
| Website: | lomasdezamora.gov.ar |
Lomas de Zamora is a partido (district) of Buenos Aires Province, Argentina, and part of the Greater Buenos Aires urban agglomeration.
It has an area of 890NaN0 and a population of 613,192, the second-most populous partido in the Greater Buenos Aires agglomeration. The local government's seat is at the city of Lomas de Zamora.