| Samoussy | |
| Commune Status: | Commune |
| Arrondissement: | Laon |
| Canton: | Laon-2 |
| Insee: | 02697 |
| Postal Code: | 02840 |
| Mayor: | Harry Rivière[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Laon |
| Coordinates: | 49.5858°N 3.7347°W |
| Elevation M: | 84 |
| Elevation Min M: | 71 |
| Elevation Max M: | 100 |
| Area Km2: | 25.04 |
Samoussy (in French pronounced as /samusi/) is a commune in the Aisne department in Hauts-de-France in northern France.