| Cachy | |
| Commune Status: | Commune |
| Arrondissement: | Amiens |
| Canton: | Amiens-4 |
| Insee: | 80159 |
| Postal Code: | 80800 |
| Mayor: | François Debeugny[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val de Somme |
| Coordinates: | 49.8528°N 2.4808°W |
| Elevation M: | 100 |
| Elevation Min M: | 54 |
| Elevation Max M: | 112 |
| Area Km2: | 6.11 |
Cachy (in French pronounced as /kaʃi/; Picard: Cachin) is a commune in the Somme department in Hauts-de-France in northern France.
Cachy is situated on the D168 road, some 9miles southeast of Amiens and near to Villers-Bretonneux.