| Saint-Servant | |
| Native Name: | Sant-Servant-an-Oud |
| Commune Status: | Commune |
| Coordinates: | 47.9161°N -2.5114°W |
| Arrondissement: | Pontivy |
| Canton: | Ploërmel |
| Intercommunality: | Ploërmel Communauté |
| Mayor: | Hervé Brule[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 22 |
| Elevation Max M: | 163 |
| Area Km2: | 22.40 |
| Insee: | 56236 |
| Postal Code: | 56120 |
| Image Coat Of Arms: | Blason ville fr Saint-Servant-sur-Oust (Morbihan).svg |
Saint-Servant is a commune in the Morbihan department of Brittany in north-western France.[2] Inhabitants of Saint-Servant are called in French Servantais.