Eiji Mitsuoka (Japanese: 光岡 映二, Mitsuoka Eiji, born January 1, 1976) is a retired Japanese professional mixed martial artist. A professional competitor from 2001 until 2012, Mitsuoka fought for the UFC, DREAM, World Victory Road, PRIDE, Shooto, Cage Force, DEEP and King of the Cage promotions. Mitsuoka's nickname Kanaami no Mōshigo (金網の申し子), which translates as "The Heaven-sent Child of the Cage" was given in reference to his earlier career in King of the Cage and his performance in Cage Force.