| Official Name: | Médanos |
| 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: | Villarino |
| Established Title: | Founded |
| Established Date: | December 16, 1832 |
| Population Total: | 5,447 |
| Coordinates: | -38.8167°N -102°W |
| Elevation M: | 33 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 8132 |
| Area Code: | +54 2927 |
Médanos is a town in Buenos Aires Province, Argentina. The town hosts the "Fiesta Nacional del Ajo" (National Garlic Festival) and is located in the Buenos Aires wines area. It is the administrative seat of Villarino Partido.