Haeju Oh clan
{{Short description|Korean clan from Hwanghae Province}}
{{Infobox family
|name = Haeju Oh clan
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|image = 해주 오씨의 종문.svg
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|country = Korea
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|region = Haeju
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|founder = {{ill|Oh In yu|ja|呉仁裕}}
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|connected_members = O Yun-gyeom
Oh Sang-jin
Oh Joon
Oh Se-hoon
O Yeong-su
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|website = http://www.hjo.co.kr/
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Haeju Oh clan ({{Korean|해주 오씨|海州 吳氏}}) is a Korean clan. Their Bon-gwan is in Haeju, Hwanghae Province. {{As of|2000}}, the clan has a membership of 422,735. Their founder was {{ill|Oh In yu|ja|呉仁裕}}, who was the governor of Haeju county during the era of Goryeo.{{cite web |url=https://terms.naver.com/entry.naver?docId=2636041&cid=51943&categoryId=54874 |title=해주 오씨 |publisher=Encyclopedia of Korean Local Culture by the Academy of Korean Studies}}