| Peillac | |
| Native Name: | Paolieg |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Peillac (Morbihan).svg |
| Coordinates: | 47.7142°N -2.2181°W |
| Insee: | 56154 |
| Postal Code: | 56220 |
| Arrondissement: | Vannes |
| Canton: | Guer |
| Mayor: | Philippe Jegou[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Redon Agglomération |
| Elevation Min M: | 0 |
| Elevation Max M: | 82 |
| Area Km2: | 24.57 |
Peillac (in French pronounced as /pɛjak/; Breton: Paolieg; Gallo: Peilla) is a commune in the east of Morbihan department of Brittany in north-western France.[2]
The canal de Nantes à Brest forms all of the commune's northern border; the river Arz forms all of its southern border.
Inhabitants of Peillac are called in French Peillacois.