| Saint-Domineuc | |
| Commune Status: | Commune |
| Coordinates: | 48.375°N -1.875°W |
| Insee: | 35265 |
| Postal Code: | 35190 |
| Arrondissement: | Saint-Malo |
| Canton: | Combourg |
| Mayor: | Benoît Sohier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bretagne Romantique |
| Elevation Min M: | 17 |
| Elevation Max M: | 90 |
| Area Km2: | 15.70 |
Saint-Domineuc (in French pronounced as /sɛ̃ dɔminøk/; Breton: Landoveneg) is a commune in the Ille-et-Vilaine département in Brittany in northwestern France.
Inhabitants of Saint-Domineuc are called docmaëliens in French.