| Guichainville | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Guichainville (Eure).svg |
| Arrondissement: | Évreux |
| Canton: | Évreux-3 |
| Insee: | 27306 |
| Postal Code: | 27930 |
| Mayor: | Hélène Le Goff[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Évreux Portes de Normandie |
| Coordinates: | 48.9797°N 1.1883°W |
| Elevation M: | 148 |
| Elevation Min M: | 127 |
| Elevation Max M: | 149 |
| Area Km2: | 15.32 |
Guichainville (in French pronounced as /ɡiʃɛ̃vil/) is a commune in the Eure department in northern France.