| Epiniac | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Abbaye Notre-Dame de la Vieuville.svg |
| Coordinates: | 48.5108°N -1.6947°W |
| Insee: | 35104 |
| Postal Code: | 35120 |
| Arrondissement: | Saint-Malo |
| Canton: | Dol-de-Bretagne |
| Mayor: | Sylvie Ramé-Prunaux[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 11 |
| Elevation Max M: | 107 |
| Area Km2: | 23.77 |
Epiniac[2] (in French pronounced as /epinjak/; ; Gallo: Espeinyac) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Inhabitants of Epiniac are called Epiniacais in French.