| Gernicourt | |
| Commune: | Cormicy |
| Arrondissement: | Reims |
| Canton: | Bourgogne-Fresne |
| Insee: | 51664 |
| Postal Code: | 51220 |
| Coordinates: | 49.4006°N 3.8736°W |
| Elevation M: | 96 |
| Elevation Min M: | 49 |
| Elevation Max M: | 92 |
| Area Km2: | 7.47 |
| Population: | 42 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Gernicourt (in French pronounced as /ʒɛʁnikuʁ/) is a former commune in the Marne department in northern France. Previously part of the Aisne department,[2] it was merged on 1 January 2017 into the commune Cormicy, in Marne.[3]