| Carentoir | |
| Native Name: | Karantoer |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Carentoir (Morbihan).svg |
| Coordinates: | 47.8175°N -2.1331°W |
| Insee: | 56033 |
| Postal Code: | 56910 |
| Arrondissement: | Vannes |
| Canton: | Guer |
| Mayor: | Claude Jouen[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 7 |
| Elevation Max M: | 109 |
| Area Km2: | 72.87 |
Carentoir (in French pronounced as /kaʁɑ̃twaʁ/; Breton: Karantoer) is a commune in the Morbihan department of Brittany in north-western France.[2] On 1 January 2017, the former commune of Quelneuc was merged into Carentoir.[3] It is where the entertainment company Ubisoft was founded.
Inhabitants of Carentoir are called in French Carentoriens.