| Seraincourt | |
| Commune Status: | Commune |
| Arrondissement: | Rethel |
| Canton: | Château-Porcien |
| Insee: | 08413 |
| Postal Code: | 08220 |
| Mayor: | Mathieu Fourny[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.6114°N 4.2022°W |
| Elevation M: | 110 |
| Area Km2: | 16.2 |
Seraincourt (in French pronounced as /səʁɛ̃kuʁ/) is a commune in the Ardennes department in northern France.