| Official Name: | Samborombón |
| Pushpin Map: | Argentina#Argentina Buenos Aires Province |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Argentina |
| Pushpin Mapsize: | 200 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | Brandsen |
| Population Total: | 198 |
| Coordinates: | -35.2167°N -74°W |
| Elevation M: | 14 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 1980 |
| Area Code: | +54 2223 |
Samborombón is a small rural community in Brandsen Partido in Buenos Aires Province, Argentina, located at Kilometer 90 of Route 2. The name Samborombón is a variation of San Borondón, the Spanish name of St. Brendan.
According to the last census the population count was 198 .
About 10 km. southwest of Brandsen, near an old road that connected to Brandsen with Ranchos, is another place called Samborombón, which is often confused with the town. At that other Samborombón there is an abandoned train station of the former Rail Buenos Aires Province, a school, No. 16 of District Brandsen, and a few houses.