| Machault | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Machaut.svg |
| Arrondissement: | Vouziers |
| Canton: | Attigny |
| Insee: | 08264 |
| Postal Code: | 08310 |
| Mayor: | Chantal Pierot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Argonne Ardennaise |
| Coordinates: | 49.3556°N 4.5°W |
| Elevation M: | 140 |
| Elevation Min M: | 114 |
| Elevation Max M: | 171 |
| Area Km2: | 16.58 |
Machault (in French pronounced as /maʃo/) is a commune in the Ardennes department in northern France.