| Messincourt | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Messincourt.svg |
| Arrondissement: | Sedan |
| Canton: | Carignan |
| Insee: | 08289 |
| Postal Code: | 08110 |
| Mayor: | Michel Sabatier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Portes du Luxembourg |
| Coordinates: | 49.6808°N 5.1544°W |
| Elevation M: | 240 |
| Area Km2: | 8.15 |
Messincourt (in French pronounced as /mesɛ̃kuʁ/) is a commune in the Ardennes department and Grand Est region of north-eastern France.