Kamitsuunakami no kunimiyatsuko 上海上国造 (also known as Kamitsuunakamikokuzo) was kuninomiyatsuko (local ruling families in ancient Japan) ruled the central part of Kazusa Province.
上海上国造（かみつうなかみのくにみやつこ・かみつうなかみこくぞう)は上総国中部を支配した国造。