| Theil-sur-Vanne | |
| Arrondissement: | Sens |
| Canton: | Brienon-sur-Armançon |
| Insee: | 89411 |
| Postal Code: | 89320 |
| Commune: | Les Vallées de la Vanne |
| Coordinates: | 48.1686°N 3.4303°W |
| Elevation M: | 90 |
| Elevation Min M: | 86 |
| Elevation Max M: | 222 |
| Area Km2: | 11.55 |
| Population: | 458 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Theil-sur-Vanne (in French pronounced as /tɛj syʁ van/, literally Theil on Vanne) is a former commune in the Yonne department in Bourgogne-Franche-Comté in north-central France. On 1 January 2016, it was merged into the new commune of Les Vallées de la Vanne.[2]