| Blaincourt-sur-Aube | |
| Commune Status: | Commune |
| Arrondissement: | Bar-sur-Aube |
| Canton: | Brienne-le-Château |
| Insee: | 10046 |
| Postal Code: | 10500 |
| Mayor: | Francis Choffé[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.3906°N 4.455°W |
| Elevation M: | 125 |
| Area Km2: | 5.79 |
Blaincourt-sur-Aube (in French pronounced as /blɛ̃kuʁ syʁ ob/, literally Blaincourt on Aube) is a commune in the Aube department in north-central France.