| Grandrieu | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Grandrieu.svg |
| Arrondissement: | Mende |
| Canton: | Grandrieu |
| Insee: | 48070 |
| Postal Code: | 48600 |
| Mayor: | Guy Galtier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Randon - Margeride |
| Coordinates: | 44.7853°N 3.6339°W |
| Elevation M: | 1160 |
| Elevation Min M: | 867 |
| Elevation Max M: | 1317 |
| Area Km2: | 65.37 |
Grandrieu (in French pronounced as /gʁɑ̃ʁjø/; Occitan (post 1500);: Grandriu) is a village and commune in the Lozère department in southern France.[2]
The Chapeauroux forms parts of the commune's north-eastern border.