| Fontvannes | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Fontvannes (Aube).svg |
| Arrondissement: | Troyes |
| Canton: | Aix-Villemaur-Pâlis |
| Insee: | 10156 |
| Postal Code: | 10190 |
| Mayor: | Didier Leprince[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Troyes Champagne Métropole |
| Coordinates: | 48.2797°N 3.8736°W |
| Elevation M: | 150 |
| Elevation Min M: | 142 |
| Elevation Max M: | 237 |
| Area Km2: | 13.01 |
Fontvannes (pronounced as /fr/) is a commune in the Aube department in north-central France.