| Foucaucourt-sur-Thabas | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Foucaucourt-sur-Thabas (Meuse).svg |
| Arrondissement: | Bar-le-Duc |
| Canton: | Dieue-sur-Meuse |
| Insee: | 55194 |
| Postal Code: | 55250 |
| Mayor: | Clarisse Jacquet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC de l'Aire à l'Argonne |
| Coordinates: | 48.9997°N 5.1017°W |
| Elevation M: | 124 |
| Elevation Min M: | 175 |
| Elevation Max M: | 231 |
| Area Km2: | 9.92 |
Foucaucourt-sur-Thabas is a village and a commune in the Argonne region in the Meuse department in Grand Est in north-eastern France.
It is the only village in the commune.
The nearest town is Sainte-Menehould, 'capital' of the Argonne, some 27 km to the northeast.