Wancheng (宛城) is a district of Nanyang, Henan. Wan Castle (Wancheng), located in present-day Nanyang and known as the site of a battle between Cao Cao and Zhang Xiu in AD 197
Wancheng (万城) may also refer to the following places in China:
Wancheng, Hainan, a town in Wanning, Hainan Wancheng Township, a township in Gaoyi County, Hebei
See also Wanzhou (disambiguation) Wan Cheng (born 1985), Chinese footballer Wangcheng (disambiguation)