| Châtillon | |
| Arrondissement: | Montmorillon |
| Canton: | Lusignan |
| Insee: | 86067 |
| Postal Code: | 86700 |
| Commune: | Valence-en-Poitou |
| Coordinates: | 46.3192°N 0.1969°W |
| Elevation M: | 200 |
| Elevation Min M: | 102 |
| Elevation Max M: | 147 |
| Area Km2: | 5.92 |
| Population: | 229 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Châtillon (in French pronounced as /ʃatijɔ̃/) is a former commune in the Vienne department in the Nouvelle-Aquitaine region in western France. On 1 January 2019, it was merged into the new commune Valence-en-Poitou.[2]