| Thin-le-Moutier | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Thin-le-Moutier.svg |
| Arrondissement: | Charleville-Mézières |
| Canton: | Signy-l'Abbaye |
| Insee: | 08449 |
| Postal Code: | 08460 |
| Mayor: | Jean-François Marteaux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Crêtes Préardennaises |
| Coordinates: | 49.7197°N 4.5022°W |
| Elevation M: | 195 |
| Elevation Min M: | 174 |
| Elevation Max M: | 312 |
| Area Km2: | 39.72 |
Thin-le-Moutier (in French pronounced as /tɛ̃ lə mutˈje/) is a commune in the Ardennes department and Grand Est region of north-eastern France.