| Domecy-sur-le-Vault | |
| Commune Status: | Commune |
| Coordinates: | 47.4919°N 3.8103°W |
| Insee: | 89146 |
| Postal Code: | 89200 |
| Arrondissement: | Avallon |
| Canton: | Avallon |
| Mayor: | Éric Stéphan[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 167 |
| Elevation Max M: | 346 |
| Area Km2: | 6.21 |
Domecy-sur-le-Vault (in French pronounced as /dɔmsi syʁ lə vo/, literally Domecy on the Vault) is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France.
The commune is known for the Château de Domecy-sur-le-Vault.