| Plestan | |
| Native Name: | Plestan |
| Commune Status: | Commune |
| Coordinates: | 48.4244°N -2.4455°W |
| Insee: | 22193 |
| Postal Code: | 22640 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Plénée-Jugon |
| Mayor: | Claudine Aillet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Lamballe Terre et Mer |
| Elevation Min M: | 55 |
| Elevation Max M: | 142 |
| Area Km2: | 32.81 |
Plestan (in French pronounced as /plɛtɑ̃/;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Plestan are called plestannais in French.