Izumi Shikibu (和泉式部?, b. 976?) was a mid Heian period Japanese poet. She is a member of the Thirty-six Medieval Poetry Immortals (中古三十六歌仙 chūko sanjurokkasen?). She was the contemporary of Murasaki Shikibu, and Akazome Emon at the court of empress Joto Mon'in.