| Fontaine | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Fontaine 10.svg |
| Arrondissement: | Bar-sur-Aube |
| Canton: | Bar-sur-Aube |
| Insee: | 10150 |
| Postal Code: | 10200 |
| Mayor: | Pascal Lemoine[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Région de Bar-sur-Aube |
| Coordinates: | 48.2142°N 4.7158°W |
| Elevation M: | 170 |
| Area Km2: | 5.68 |
Fontaine (pronounced as /fr/) is a commune in the Aube department in north-central France.