Yecheng is ambiguous. It is:
- the Chinese name of Kargilik County in Kaxgar Governorate of Xinjiang Uyghur Autonomous Region in the People's Republic of China;
- Yecheng (Nanjing) ( 冶 城 , Yěchéng ), an ancient Chinese city in the 5th century BC. In the area of today's Nanjing City in Jiangsu Province;
- Ye (City) , the archaeological site of an ancient city in Linzhang County, Handan City, Hebei Province, China.