| Vannes-sur-Cosson | |
| Commune Status: | Commune |
| Arrondissement: | Orléans |
| Image Coat Of Arms: | Blason ville fr Vannes-sur-Cosson (Loiret).svg |
| Canton: | Saint-Jean-le-Blanc |
| Insee: | 45331 |
| Postal Code: | 45510 |
| Mayor: | Eric Hauer[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Val de Sully |
| Coordinates: | 47.7139°N 2.2128°W |
| Elevation Min M: | 119 |
| Elevation Max M: | 148 |
| Area Km2: | 35.65 |
Vannes-sur-Cosson (in French pronounced as /van syʁ kɔsɔ̃/, literally Vannes on Cosson) is a commune in the Loiret department in north-central France.
The river Cosson has its source in the commune.