Haedong

Haedong (also Haidong, ) may refer to:
 * Haidong Prefecture (in the sense of ""east of the Qinghai Lake.")
 * a historical term for Korea (viz., from a Chinese perspective)
 * Haedong Seongguk Balhae, a medieval kingdom in northern Korea and southern Manchuria
 * Buddhism in Korea
 * Haedong Goseungjeon "lives of eminent Korean monks"
 * Haedong Gumdo "Korean swordsmanship"