| Liez | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Liez (Aisne).svg |
| Arrondissement: | Laon |
| Canton: | Tergnier |
| Insee: | 02431 |
| Postal Code: | 02700 |
| Mayor: | Serge Mangin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chauny Tergnier La Fère |
| Coordinates: | 49.6914°N 3.2917°W |
| Elevation M: | 58 |
| Elevation Min M: | 53 |
| Elevation Max M: | 91 |
| Area Km2: | 5.45 |
Liez (in French pronounced as /lje/) is a commune in the Aisne department in Hauts-de-France in northern France.