| Penguily | |
| Native Name: | Pengilli |
| Commune Status: | Commune |
| Image Coat Of Arms: | COA fr Penguily.svg |
| Coordinates: | 48.3728°N -2.4936°W |
| Insee: | 22165 |
| Postal Code: | 22510 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Plénée-Jugon |
| Mayor: | Karine Clement[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Lamballe Terre et Mer |
| Elevation Min M: | 80 |
| Elevation Max M: | 159 |
| Area Km2: | 10.49 |
Penguily (in French pronounced as /pɛ̃gili/; ; Gallo: Pengili) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Penguily are called penguilais in French.