Nanhai () may refer to: *''Nanhai'', the Chinese name for the South China Sea, one of the Four Seas *Nanhai Commandery, the former Chinese administration over Liangguang *''Nanhai'', the Chinese name for the South China Sea Islands *The ''Nanhai One, Nanhai I'', a Chinese wreck from the Southern Song dynasty raised in 2007 * Nanhai, a lake in the Zhongnanhai complex in Beijing *Nanhai Academy, a collection of cultural and educational facilities located on Nanhai Road in Taipei, Taiwan *Nanhai District, Foshan, Guangdong *Nanhai, Hubei (:zh:南海镇, zh), town in Songzi, Hubei *Nanhai Township (:zh:南海乡, zh), subdivision of Pingtan County, Fujian *Nanhai Subdistrict, Maoming (:zh:南海街道 (茂名市), zh), in Maogang District, Maoming, Guangdong *Nanhai Subdistrict, Zhumadian (:zh:南海街道 (驻马店市), zh), in Yicheng District, Zhumadian, Henan

See also