Name Iwanaga Type Surname (from location) Usage Japanese Scripts 岩永(Japanese Kanji) いわなが(Japanese Hiragana) Pronounced Pron. /i.ɰᵝäh.näh.ɡäh/ Edit Status Status Meaning & History From Japanese 岩 (iwa) meaning "cliff, rocks" and 永 (naga 3) meaning "perpetual, eternal".