| Plaintel | |
| Native Name: | Pleneventer |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Plaintel (CôtesArmor).svg |
| Coordinates: | 48.4089°N -2.8169°W |
| Insee: | 22171 |
| Postal Code: | 22940 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Plaintel |
| Mayor: | Vincent Alleno[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Brieuc Armor |
| Elevation Min M: | 100 |
| Elevation Max M: | 246 |
| Area Km2: | 26.76 |
Plaintel (in French pronounced as /plɛ̃tɛl/; ; Gallo: Plentèr) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Plaintel are called plaintelois or plaintelais in French.