| Longroy | |
| Commune Status: | Commune |
| Arrondissement: | Dieppe |
| Canton: | Eu |
| Insee: | 76394 |
| Postal Code: | 76260 |
| Mayor: | Jean-Pierre Troley[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Villes Sœurs |
| Coordinates: | 49.9897°N 1.5375°W |
| Elevation M: | 25 |
| Elevation Min M: | 20 |
| Elevation Max M: | 150 |
| Area Km2: | 5.32 |
Longroy is a commune in the Seine-Maritime department in the Normandy region in northern France.
A forestry and farming village situated by the banks of the river Bresle in the Pays de Bray, some 21miles east of Dieppe on the D49 at its junction with the D14 road. Longroy-Gamaches station has rail connections to Beauvais and Le Tréport.