| Alaincourt | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Alaincourt (Haute-Saône).svg |
| Coordinates: | 47.9428°N 6.1022°W |
| Insee: | 70010 |
| Postal Code: | 70210 |
| Arrondissement: | Lure |
| Canton: | Jussey |
| Mayor: | Antonin Simoes[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Haute Comté |
| Elevation Min M: | 235 |
| Elevation Max M: | 285 |
| Area Km2: | 5.83 |
Alaincourt (in French pronounced as /alɛ̃kuʁ/) is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté in eastern France.
The Côney forms part of the commune's northern border.