| Morieux | |
| Native Name: | Morieg |
| Coordinates: | 48.5225°N -2.6072°W |
| Insee: | 22154 |
| Postal Code: | 22400 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Lamballe-Armor |
| Commune: | Lamballe-Armor |
| Elevation Min M: | 0 |
| Elevation Max M: | 105 |
| Area Km2: | 7.55 |
| Population: | 1012 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Morieux (in French pronounced as /mɔʁjø/; Breton: Morieg; Gallo: Morioec) is a former commune in the Côtes-d'Armor department of Brittany in northwestern France. On 1 January 2019, it was merged into the new commune Lamballe-Armor.[2]
People from Morieux are called morivains in French.