| Pluméliau | |
| Native Name: | Pluniav |
| Image Coat Of Arms: | Blason ville fr Pluméliau (Morbihan).svg |
| Coordinates: | 47.9583°N -2.9722°W |
| Insee: | 56173 |
| Postal Code: | 56930 |
| Arrondissement: | Pontivy |
| Canton: | Pontivy |
| Commune: | Pluméliau-Bieuzy |
| Elevation Min M: | 33 |
| Elevation Max M: | 152 |
| Area Km2: | 67.72 |
| Population: | 3624 |
| Population Date: | 2016 |
| Population Footnotes: | [1] |
Pluméliau (pronounced as /fr/;) is a former commune in the Morbihan department of Brittany in north-western France. On 1 January 2019, it was merged into the new commune Pluméliau-Bieuzy.[2]
The ruisseau de Kergouët forms part of the commune's eastern border, then flows into the Ével, which forms its south-eastern border.
Inhabitants of Pluméliau are called in French Plumelois.