Sourdeval () is a commune in the Manche department in Normandy in north-western France. On 1 January 2016, the former commune of Vengeons was merged into Sourdeval.
The commune is made up of the following collection of villages and hamlets, Vengeons, La Fourberie, Loraire, Sourdeval, La Besnardière, La Moinerie, La Barre and La Richardière.
The source of the river Sée is in this commune. In addition the river ÃÂgrenne flows through the commune.
Population data refer to the area corresponding with the commune as of January 2025.
Sourdeval is twinned with: