Gouville-sur-Mer (, literally Gouville on Sea) is a commune in the Manche department in north-western France. On 1 January 2016, the former commune of Boisroger was merged into Gouville-sur-Mer. On 1 January 2019, the former communes of Anneville-sur-Mer, Montsurvent and Servigny were merged into Gouville-sur-Mer.
Population data refer to the area corresponding with the commune as of January 2025.