| Poisvilliers | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Poisvilliers (Eure-et-Loir).svg |
| Arrondissement: | Chartres |
| Canton: | Chartres-1 |
| Insee: | 28301 |
| Postal Code: | 28300 |
| Mayor: | Marie Bourgeot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chartres Métropole |
| Coordinates: | 48.5092°N 1.4694°W |
| Elevation M: | 162 |
| Elevation Min M: | 145 |
| Elevation Max M: | 171 |
| Area Km2: | 10.57 |
Poisvilliers (in French pronounced as /pwavilje/) is a commune in the Eure-et-Loir department in northern France.