| Official Name: | Tres Lomas |
| Pushpin Map: | Argentina |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Argentina |
| Pushpin Mapsize: | 200 |
| Pushpin Mapsize1: | 200 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | Tres Lomas |
| Established Title: | Founded |
| Established Date: | 1906 |
| Population Total: | 6,685 |
| Coordinates: | -36.45°N -113°W |
| Elevation M: | 112 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 6409 |
| Area Code: | +54 2392 |
Tres Lomas is a town in Buenos Aires Province, Argentina. It is the head town of the Tres Lomas Partido.