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"
See also Names of Korea