| Liomer | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Liomer (Somme).svg |
| Arrondissement: | Amiens |
| Canton: | Poix-de-Picardie |
| Insee: | 80484 |
| Postal Code: | 80430 |
| Mayor: | Colette Michaux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Somme Sud-Ouest |
| Coordinates: | 49.8569°N 1.8172°W |
| Elevation M: | 109 |
| Elevation Min M: | 99 |
| Elevation Max M: | 180 |
| Area Km2: | 3.89 |
Liomer is a commune in the Somme department in Hauts-de-France in northern France.
thumb|left|Gallic cockerel and World War I memorial
Liomer is situated 15miles south of Abbeville, on the D211 road