| Quettreville-sur-Sienne | |
| Commune Status: | Commune |
| Arrondissement: | Coutances |
| Canton: | Quettreville-sur-Sienne |
| Insee: | 50419 |
| Postal Code: | 50660 |
| Intercommunality: | Coutances Mer et Bocage |
| Coordinates: | 48.9706°N -1.4669°W |
| Elevation Min M: | 7 |
| Elevation Max M: | 129 |
| Area Km2: | 49.32 |
| Website: | www.mairie-quettreville.fr |
Quettreville-sur-Sienne (pronounced as /fr/) is a commune in the Manche department in north-western France. On 1 January 2016, the former commune of Hyenville was merged into Quettreville-sur-Sienne.[1] On 1 January 2019, the former communes of Contrières, Guéhébert, Hérenguerville and Trelly were merged into Quettreville-sur-Sienne.[2] The river Sienne flows through the town.