The Dolphin Nature Conservation Society (DNCS) is a registered (no. 507/2001) voluntary, environmental, non-profit and non-governmental organization (NGO), located in Visakhapatnam, Andhra Pradesh, India. It is committed to the causes of nature conservation, environmental protection, research, education and awareness. The society was founded on 5 March, 2001 and has launched many nature conservation programs in Andhra Pradesh, especially in Visakhapatnam. The activities of the organisation are intended to instill love for nature and conservation among people, especially in the younger generations. Notable research, documentation, conservation and awareness campaigns of the society relate to olive ridley sea turtles, intertidal rocky shore fauna and flora of the Visakhapatnam coast, and butterflies of the Eastern Ghats. Its flagship project is the development and maintenance of Biodiversity Park, Visakhapatnam.