| Le Mesnil-sous-Jumièges | |
| Commune Status: | Commune |
| Arrondissement: | Rouen |
| Canton: | Barentin |
| Insee: | 76436 |
| Postal Code: | 76480 |
| Mayor: | Éva Lefebvre-Lemarchand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Métropole Rouen-Normandie |
| Coordinates: | 49.4125°N 0.8589°W |
| Elevation M: | 6 |
| Elevation Min M: | 1 |
| Elevation Max M: | 55 |
| Area Km2: | 6.84 |
Le Mesnil-sous-Jumièges is a commune in the Seine-Maritime department in the Normandy region in north-western France.
A farming village, situated in the Roumois and inside a meander of the river Seine, some 12miles west of Rouen on the D 65 road. A ferry boat carries cars and passengers across the river to Yville-sur-Seine.