Kikkawa Hiroie was a Japanese daimyō of the Azuchi–Momoyama period through early Edo period. Hiroie's father was Kikkawa Motoharu and his mother was a daughter of Kumagai Nobunao.

Kikkawa Motoharu was the second son of Mōri Motonari, and featured prominently in all the wars of the Mōri clan. He became an active commander of the Mōri army and he with his brother Kobayakawa Takakage became known as the “Mōri Ryōsen", or “Mōri's Two Rivers" (毛利両川).