Haikou (disambiguation)

Haikou is the capital of Hainan Province, China.

Haikou may also refer to:
 * Haikou, Fuqing, town in Fuqing County, Fuzhou City, Fujian, China
 * Haikou Subdistrict (formerly, Haikou Town), in Xishan District, Kunming, Yunnan, China
 * Several other towns named Haikou; see zh:海口镇

Various objects near Haikou, Hainan

 * Haikou Bay
 * Haikou Meilan International Airport
 * Haikou Xiuying Port
 * Haikou New Port

Ships

 * Chinese destroyer Haikou (171)