Satake Yoshishige (佐竹 義重?, March 7, 1547 – May 19, 1612) was a Japanese daimyo of the Sengoku period. He was the 18th generation head of the Satake clan. He was renowned for his ferocity in battle; he was also known by the nickname of "Ogre Yoshishige" (鬼義重, Oni Yoshishige?). He often fought against the Late Hōjō clan, who were extending their power into southern Hitachi. One such encounter was the Battle of Numajiri, where 20,000 men under Yoshishige fought 80,000 Hojo troops. The Satake won, due in part to the use of over 8600 matchlock rifles by their troops.