| Champagné-le-Sec | |
| Commune Status: | Commune |
| Arrondissement: | Montmorillon |
| Canton: | Civray |
| Insee: | 86051 |
| Postal Code: | 86510 |
| Mayor: | Michaël Ecalle[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Civraisien en Poitou |
| Coordinates: | 46.1911°N 0.1922°W |
| Elevation M: | 131 |
| Elevation Min M: | 126 |
| Elevation Max M: | 144 |
| Area Km2: | 7.99 |
Champagné-le-Sec (in French pronounced as /ʃɑ̃paɲe lə sɛk/) is a commune in the Vienne department in the Nouvelle-Aquitaine region in western France.