| Saint-Gildas | |
| Native Name: | Sant-Weltaz |
| Commune Status: | Commune |
| Coordinates: | 48.4231°N -3.0019°W |
| Insee: | 22291 |
| Postal Code: | 22800 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Plélo |
| Mayor: | Annie Simon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Brieuc Armor |
| Elevation Min M: | 195 |
| Elevation Max M: | 286 |
| Area Km2: | 15.54 |
Saint-Gildas is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Saint-Gildas are called Gildasiens and Gildasiennes in French.
Breton legend connects Gildas with Brittany.[2] The first book by the Irish writer Julia Kavanagh, Saint-Gildas, or, The Three Paths (1847) is largely set in the village in the eighteenth century.