iNiS Corporation (株式会社イニス, Inisu?) is a Japanese video game developer that specializes in rhythm games. It was co-founded by Keiichi Yano on February 3, 1997 as iNiS Ltd. The name iNiS is an acronym and it stands for "infinite Noise of the inner Soul."
In 2000, the company changed name to iNiS Corporation.