| Oulches-la-Vallée-Foulon | |
| Commune Status: | Commune |
| Arrondissement: | Laon |
| Canton: | Villeneuve-sur-Aisne |
| Insee: | 02578 |
| Postal Code: | 02160 |
| Mayor: | Gaëlle Chotin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Chemin des Dames |
| Coordinates: | 49.4297°N 3.7464°W |
| Elevation M: | 95 |
| Elevation Min M: | 70 |
| Elevation Max M: | 194 |
| Area Km2: | 4.45 |
Oulches-la-Vallée-Foulon is a commune in the Aisne department in Hauts-de-France in northern France.