| Cournon | |
| Native Name: | Kornon |
| Commune Status: | Commune |
| Coordinates: | 47.7472°N -2.1042°W |
| Image Coat Of Arms: | Blason ville fr Cournon (Morbihan).svg |
| Insee: | 56044 |
| Postal Code: | 56200 |
| Arrondissement: | Vannes |
| Canton: | Guer |
| Mayor: | Pascal Jehannin[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 1 |
| Elevation Max M: | 87 |
| Area Km2: | 10.87 |
Cournon (pronounced as /fr/; br|Kornon) is a commune in the Morbihan department of Brittany in north-western France.[2] Inhabitants of Cournon are called in French Cournonnais.