Haicheng ( unless otherwise noted) may refer to the following locations in China:
Haicheng, Liaoning, a county-level city in Liaoning Haicheng District, a district of Beihai, Guangxi
Towns Haicheng, Fujian (海澄镇), in Longhai, Fujian Haicheng, Guangdong, in Haifeng County, Guangdong Haicheng, Ningxia, in Haiyuan County, Ningxia
Townships Haicheng Township, Guangxi, in Pingguo County, Guangxi Haicheng Township, Heilongjiang, in Zhaodong, Heilongjiang
Other "Hai Cheng", a 2022 song by The8