| La Ferté-sur-Chiers | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason La Ferté-sur-Chiers.svg |
| Arrondissement: | Sedan |
| Canton: | Carignan |
| Insee: | 08168 |
| Postal Code: | 08370 |
| Mayor: | Etienne Malcuit[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Portes du Luxembourg |
| Coordinates: | 49.5756°N 5.2428°W |
| Elevation M: | 170 |
| Area Km2: | 6.41 |
La Ferté-sur-Chiers (in French pronounced as /la fɛʁte syʁ ʃjɛʁ/, literally La Ferté on Chiers) is a commune in the Ardennes department in northern France.