Save Type Surname (from location) Usage Japanese (Rare) Scripts 岩泉(Japanese Kanji) Pronounced Pron. I-WA-I-ZU-MEE [key] Meaning & History Iwa (岩) means "rock, boulder", izumi (泉) means "spring, water source", it is also a town in Iwate prefecture. Hajime Iwaizumi (岩泉 一) from Haikyuu!! manga and anime is a notable bearer of this surname.