| Glénac | |
| Native Name: | Glenneg |
| Image Coat Of Arms: | Blason ville fr Glénac (Morbihan).svg |
| Coordinates: | 47.7275°N -2.1319°W |
| Insee: | 56064 |
| Postal Code: | 56200 |
| Arrondissement: | Vannes |
| Canton: | Guer |
| Commune: | La Gacilly |
| Elevation Min M: | 2 |
| Elevation Max M: | 87 |
| Area Km2: | 13.70 |
| Population: | 889 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Glénac (in French pronounced as /ɡlenak/;) is a former commune in the Morbihan department of Brittany in north-western France. On 1 January 2017, it was merged into the commune La Gacilly.[2] Its population was 889 in 2019.[1] Inhabitants of Glénac are called in French Glénacois.