| Gélannes | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Gélannes.svg |
| Arrondissement: | Nogent-sur-Seine |
| Canton: | Romilly-sur-Seine |
| Insee: | 10164 |
| Postal Code: | 10100 |
| Mayor: | Richard Begon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Portes de Romilly-sur-Seine |
| Coordinates: | 48.4842°N 3.6728°W |
| Elevation M: | 75 |
| Area Km2: | 12.13 |
Gélannes (pronounced as /fr/) is a commune in the Aube department in the Grand Est region in north-central France.