城南

城南 ("the south of a castle/city"; Pinyin Chéngnán; Revised Romanization of Korean Seongnam; Hepburn romanization Jōnan) may refer to:


 * Seongnam, a city in South Korea
 * Chengnan, a subdistrict of Qianjiang District, Chongqing, People's Republic of China
 * Chengnan, a subdistrict of Chaoyang District, Shantou, PRC
 * Jōnan-ku, Fukuoka, a ward of Fukuoka, Japan
 * Jōnan, Kumamoto, a former town of Kumamoto Prefecture, Japan