| Grivy-Loisy | |
| Commune Status: | Commune |
| Arrondissement: | Vouziers |
| Canton: | Attigny |
| Insee: | 08200 |
| Postal Code: | 08400 |
| Mayor: | Jean-Pol Richelet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Argonne Ardennaise |
| Coordinates: | 49.4172°N 4.6319°W |
| Elevation M: | 118 |
| Elevation Min M: | 87 |
| Elevation Max M: | 120 |
| Area Km2: | 11.56 |
Grivy-Loisy (in French pronounced as /gʁivi lwazi/) is a commune in the Ardennes department in northern France.