Irisu

Irisu may refer to:
 * Makina Irisu, one of the main characters of the Grisaia series.
 * Kiyoka Irisu, Makina's mother.
 * Masataka Irisu, Makina's late father.
 * Sarina Irisu, Makina's younger half-sister.
 * The Irisu Clan, a family that controls many parts of Japan from the shadows. The clan's current leader is Kiyoka.