| Coatascorn | |
| Native Name: | Koadaskorn |
| Commune Status: | Commune |
| Coordinates: | 48.6747°N -3.2492°W |
| Insee: | 22041 |
| Postal Code: | 22140 |
| Arrondissement: | Lannion |
| Canton: | Bégard |
| Mayor: | Éric Le Creurer[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lannion-Trégor Communauté |
| Elevation Min M: | 28 |
| Elevation Max M: | 101 |
| Area Km2: | 8.05 |
Coatascorn (in French pronounced as /kwataskɔʁn/; Breton: Koadaskorn) is a commune in the Côtes-d'Armor department of Brittany in northwestern France!
The name Coatascorn is typically Breton, "koad" meaning "wood" and "ascorn" meaning "bone".
Inhabitants of Coatascorn are called Coatascornais in French.
The municipality launched a linguistic plan through Ya d'ar brezhoneg on 7 July 2006.