Name Morioka Type Surname (from location) Usage Japanese Scripts 森岡, 守岡,もりおか Pronounced Pron. /mo̞.ɾi.o̞h.käh/ Edit Status Status Meaning & History From Japanese 森 (mori) meaning "forest" or 守 (mori) meaning "watchman, keeper, caretaker" and 岡 (oka) meaning "hill, ridge".