| Neuflieux | |
| Commune Status: | Commune |
| Arrondissement: | Laon |
| Canton: | Chauny |
| Insee: | 02542 |
| Postal Code: | 02300 |
| Mayor: | Bruno Fremaux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chauny Tergnier La Fère |
| Coordinates: | 49.6206°N 3.1617°W |
| Elevation M: | 85 |
| Elevation Min M: | 54 |
| Elevation Max M: | 96 |
| Area Km2: | 1.9 |
Neuflieux is a commune in the Aisne department in Hauts-de-France in northern France.