| Faux | |
| Commune Status: | Commune |
| Arrondissement: | Rethel |
| Canton: | Signy-l'Abbaye |
| Insee: | 08165 |
| Postal Code: | 08270 |
| Mayor: | Luc Monceau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Crêtes Préardennaises |
| Coordinates: | 49.5381°N 4.5°W |
| Elevation M: | 105 |
| Area Km2: | 3.28 |
Faux (in French pronounced as /fo/) is a commune in the Ardennes department in northern France.