| Liercourt | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Liercourt 80.svg |
| Arrondissement: | Abbeville |
| Canton: | Gamaches |
| Insee: | 80476 |
| Postal Code: | 80580 |
| Mayor: | Philippe Walrave[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Baie de Somme |
| Coordinates: | 50.04°N 1.9008°W |
| Elevation M: | 9 |
| Elevation Min M: | 7 |
| Elevation Max M: | 104 |
| Area Km2: | 5.53 |
Liercourt (in French pronounced as /ljɛʁkuʁ/; Lièrcourt) is a commune in the Somme department in Hauts-de-France in northern France.
Liercourt is situated at the junction of the D3 and D901 roads, in the valley of the Somme River, 7miles southeast of Abbeville.