| Grenois | |
| Commune Status: | Commune |
| Coordinates: | 47.3214°N 3.5281°W |
| Insee: | 58130 |
| Postal Code: | 58420 |
| Arrondissement: | Clamecy |
| Canton: | Corbigny |
| Intercommunality: | Tannay-Brinon-Corbigny |
| Mayor: | Marie-Odile Pataut[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 198 |
| Elevation Max M: | 387 |
| Area Km2: | 14.50 |
Grenois (in French pronounced as /ɡʁənwa/) is a commune in the Nièvre department in central France.[2]
On 1 January 2019, the estimated population was 95.