Kaori Yuki (由貴香織里) is a Japanese manga artist.

She debuted in 1987 with Natsufuku no Erii (Jap: 夏服のエリー) on the manga anthology Bessatsu Hana to Yume published by Hakusensha.
She is best known for her gothic manga works, such as the Earl Cain series (Jap: 伯爵カイン, Hakushaku Cain) and Angel Sanctuary (Jap: 天使禁猟区, Tenshi Kinryōku)

Her work is typically serialized in one of Hakusensha's two shōjo manga anthologies, Bessatsu Hana to Yume and Hana to Yume. In 2010, Kaori Yuki was one of many manga artists whose work would appear in the new shōjo manga anthology Aria by the publisher Kodansha on July 28, 2010.
Her doujinshi-ka name is MoonClock.