| Plémy | |
| Native Name: | Plevig |
| Commune Status: | Commune |
| Coordinates: | 48.3372°N -2.6822°W |
| Insee: | 22184 |
| Postal Code: | 22150 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Plaintel |
| Mayor: | Michel Richard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Lamballe Terre et Mer |
| Elevation Min M: | 124 |
| Elevation Max M: | 256 |
| Area Km2: | 40.04 |
Plémy (in French pronounced as /plemi/; ; Gallo: Plémic) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Plémy are called plémytains or plémytens in French.