Xincheng may refer to:
People Tuoba Xincheng (拓拔新成), brother of Emperor Wencheng of Northern Wei; held the title of Prince You of Yangping Xincheng, one of the daughters of Emperor Taizong of Tang (Li Shimin) and Empress Zhangsun
Places Mainland China Xincheng County (忻城县), in Laibin, Guangxi Xincheng District (新城区) Xincheng District, Hohhot, Inner Mongolia Xincheng District, Xi'an, Shaanxi Xincheng Air Base and Yinchuan/Xincheng Air Base, both in the Lanzhou Military Region of the PRC Xincheng, one of the nine commanderies of the Protectorate General to Pacify the East Xincheng Prison in Beijing Xincheng Town (disambiguation) Xincheng Township (disambiguation) (新城乡) Xincheng Subdistrict (disambiguation)
Taiwan Xincheng, Hualien (新城鄉), township in Hualien City, Republic of China (Taiwan) Xincheng Incident, during the Japanese occupation
Art forms Xincheng Opera, a traditional form of Chinese theater from northeast China
See also Xingcheng, a county-level city in Huludao, Liaoning province, China