Quettreville-sur-Sienne (French pronunciation: [kɛtʁəvil syʁ sjɛn]) 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.

[2] On 1 January 2019, the former communes of Contrières, Guéhébert, Hérenguerville and Trelly were merged into Quettreville-sur-Sienne.

[3] The river Sienne flows through the town.

This Manche geographical article is a stub.