The Sèvre Nantaise (French pronunciation: [sɛvʁ nɑ̃tɛz]) is a river in the Pays de la Loire regions in western France. It is a left-bank tributary of the Loire. Its total length is 141.8 km (88.1 mi). Its source is in the Deux-Sèvres department, near Secondigny. It flows from south to north through the departments and towns listed here, reaching the river Loire in the city of Nantes. That city gives it the name Sèvre Nantaise, distinguishing it from the Sèvre Niortaise further south. Its longest tributaries are the Moine and the Petite Maine.
