Nanzi may refer to:
Anansi, an Akan mythological spider, also spelled Nanzi Nanzih District, Kaohsiung, Taiwan, also spelled Nanzi Nanzi railway station Lady Nanzi (died 480 BC), consort of Duke Ling of Wey in ancient China Southwest Cay, also known as Vietnamese: Đảo Song Tử Tây; Mandarin Chinese: 南子島/南子岛; pinyin: Nánzi Dǎo, an island on the northwestern edge of the Spratly Islands
See also Nanzih Export Processing Zone metro station, Kaohsiung, Taiwan