| Cersay | |
| Image Coat Of Arms: | Blason ville fr Cersay 79.svg |
| Arrondissement: | Bressuire |
| Canton: | Le Val de Thouet |
| Commune: | Val en Vignes |
| Insee: | 79063 |
| Postal Code: | 79290 |
| Coordinates: | 47.0472°N -0.3528°W |
| Elevation M: | 91 |
| Elevation Min M: | 59 |
| Elevation Max M: | 112 |
| Area Km2: | 36.78 |
| Population: | 1052 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Cersay (in French pronounced as /sɛʁsɛ/) is a former commune in the Deux-Sèvres department in the Nouvelle-Aquitaine region in western France. On 1 January 2017, it was merged into the new commune Val en Vignes.[2]