Massy, Seine-Maritime should not be confused with Massy, Essonne.
| Massy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason_ville_fr_Massy_(Seine-Maritime).svg |
| Arrondissement: | Dieppe |
| Canton: | Neufchâtel-en-Bray |
| Insee: | 76415 |
| Postal Code: | 76270 |
| Mayor: | Didier Duclos[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Bray-Eawy |
| Coordinates: | 49.6897°N 1.4003°W |
| Elevation M: | 147 |
| Elevation Min M: | 91 |
| Elevation Max M: | 234 |
| Area Km2: | 11.24 |
Massy (in French pronounced as /masi/) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A village of farming and associated light industry situated in the Pays de Bray, some 25miles southeast of Dieppe at the junction of the D24, the D114 and the D915 roads.