| Sexfontaines | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Sexfontaines.svg |
| Arrondissement: | Chaumont |
| Canton: | Bologne |
| Insee: | 52472 |
| Postal Code: | 52330 |
| Mayor: | Jean-Paul Dieudonné[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chaumont |
| Coordinates: | 48.2019°N 5.0403°W |
| Elevation M: | 400 |
| Area Km2: | 20.77 |
Sexfontaines is a commune in the Haute-Marne department in north-eastern France.