Kaicheng may refer to:

Kaicheng (836–841), reign period of Emperor Wenzong of Tang Kaicheng, Anhui, in Sihou County, Anhui, China Kaicheng, Ningxia, in Yuanzhou District, Guyuan, Ningxia, China

See also Kaesong, North Hwanghae, North Korea, whose Hanja name, when transliterated into Mandarin, is Kaicheng