| Poilley | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Poilley (Ille-et-Vilaine).svg |
| Coordinates: | 48.4658°N -1.2611°W |
| Insee: | 35230 |
| Postal Code: | 35420 |
| Arrondissement: | Fougères-Vitré |
| Canton: | Fougères-2 |
| Mayor: | Noël Demazel[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Fougères Agglomération |
| Elevation Min M: | 115 |
| Elevation Max M: | 184 |
| Area Km2: | 10.78 |
Poilley (in French pronounced as /pɔjɛ/; Gallo: Polhaé, Breton: Polieg) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.