| La Mailleraye-sur-Seine | |
| Arrondissement: | Rouen |
| Canton: | Notre-Dame-de-Gravenchon |
| Insee: | 76401 |
| Postal Code: | 76940 |
| Commune: | Arelaune-en-Seine |
| Coordinates: | 49.4831°N 0.7731°W |
| Elevation M: | 6 |
| Elevation Min M: | 0 |
| Elevation Max M: | 136 |
| Area Km2: | 44.58 |
| Population: | 1919 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
La Mailleraye-sur-Seine (in French pronounced as /la majʁɛ syʁ sɛn/) is a former commune in the Seine-Maritime department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Arelaune-en-Seine.[2]
A very large village (in area) of forestry and farming situated by the banks of the river Seine, some 16miles west of Rouen, at the junction of the D65, D131 and the D490 roads.