| Réguiny | |
| Native Name: | Regini |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Réguiny (Morbihan).svg |
| Coordinates: | 47.9775°N -2.745°W |
| Insee: | 56190 |
| Postal Code: | 56500 |
| Arrondissement: | Pontivy |
| Canton: | Grand-Champ |
| Mayor: | Jean-Luc Le Tarnec[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pontivy Communauté |
| Elevation Min M: | 61 |
| Elevation Max M: | 129 |
| Area Km2: | 27.92 |
Réguiny (pronounced as /fr/;) is a commune in the Morbihan department of Brittany in north-western France.[2] Inhabitants of Réguiny are called in French Réguinois.
The river Ével forms most of the commune's southern border.