The Nansemond National Wildlife Refuge is a National Wildlife Refuge of the United States located along the Nansemond River in Suffolk, Virginia. It is managed by the United States Fish and Wildlife Service as a satellite of Great Dismal Swamp National Wildlife Refuge. In 1973 about 207 acres (0.84 km2) of salt marsh were transferred to the Service by the United States Navy to form the refuge. An additional 204 acres (0.83 km2) were transferred in 1999. The refuge is not open to the public.