| Quelneuc | |
| Native Name: | Kelenneg |
| Coordinates: | 47.8242°N -2.0653°W |
| Insee: | 56183 |
| Postal Code: | 56910 |
| Arrondissement: | Vannes |
| Canton: | Guer |
| Commune: | Carentoir |
| Elevation Min M: | 7 |
| Elevation Max M: | 95 |
| Area Km2: | 13.85 |
| Population: | 512 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Quelneuc is a former commune in the Morbihan department of Brittany in north-western France. On 1 January 2017, it was merged into the commune Carentoir.[2]
Inhabitants of Quelneuc are called in French Quelneucois.