| Yvias | |
| Native Name: | Eviaz |
| Commune Status: | Commune |
| Coordinates: | 48.7142°N -3.0511°W |
| Insee: | 22390 |
| Postal Code: | 22930 |
| Arrondissement: | Guingamp |
| Canton: | Paimpol |
| Mayor: | Karine Le Graet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Guingamp-Paimpol Agglomération |
| Elevation Min M: | 8 |
| Elevation Max M: | 107 |
| Area Km2: | 11.61 |
Yvias (pronounced as /fr/; ; Gallo: Ivinyac) is a commune in the Côtes-d'Armor department in Brittany in northwestern France.
Inhabitants of Yvias are called yviasais in French.