| Villers-sous-Ailly | |
| Commune Status: | Commune |
| Arrondissement: | Abbeville |
| Canton: | Rue |
| Insee: | 80804 |
| Postal Code: | 80690 |
| Mayor: | Laurent Sauvage[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Ponthieu-Marquenterre |
| Coordinates: | 50.0622°N 2.0175°W |
| Elevation M: | 80 |
| Elevation Min M: | 40 |
| Elevation Max M: | 112 |
| Area Km2: | 6.26 |
Villers-sous-Ailly (in French pronounced as /vilɛʁ su.z‿aji/, literally Villers under Ailly) is a commune in the Somme department in Hauts-de-France in northern France.
The commune is situated 8 miles(12 km) southeast of Abbeville, on the D237 road.