| Grand-Failly | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Grand Failly 54.svg |
| Arrondissement: | Briey |
| Canton: | Mont-Saint-Martin |
| Insee: | 54236 |
| Postal Code: | 54260 |
| Mayor: | Jean-François Damien[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.4214°N 5.515°W |
| Elevation M: | 230 |
| Elevation Min M: | 197 |
| Elevation Max M: | 313 |
| Area Km2: | 21.87 |
Grand-Failly (in French pronounced as /ɡʁɑ̃ faji/) is a commune in the Meurthe-et-Moselle department in north-eastern France.
The river Othain flows northwestward through the south-western part of the commune; the Chiers forms part of its northern border.