Naozhou Island (French: Île Nau-Chau; Chinese: 硇洲岛; pinyin: Náozhōu Dǎo) (Nao Chow) is an island in South China Sea. Administratively, the island is organized as Naozhou Town (硇洲镇) within Mazhang District of Zhanjiang City of Guangdong Province of China.