| Mauquenchy | |
| Commune Status: | Commune |
| Arrondissement: | Dieppe |
| Canton: | Gournay-en-Bray |
| Insee: | 76420 |
| Postal Code: | 76440 |
| Mayor: | Pascal Mariette[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC 4 rivières |
| Coordinates: | 49.6044°N 1.4689°W |
| Elevation M: | 161 |
| Elevation Min M: | 118 |
| Elevation Max M: | 236 |
| Area Km2: | 12.64 |
Mauquenchy (pronounced as /fr/) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A farming village situated by the banks of the river Andelle in the Pays de Bray, some 35miles southeast of Dieppe at the junction of the D102 and the D919 roads.