Red Data Girl (RDG レッドデータガール, Ārudījī Reddo Dēta Gāru) is a series of fantasy novels written by Noriko Ogiwara.

Izumiko learns that she is a yorishiro (or, more properly, a yorimashi, as she is a possessed person, not object), a vessel for a Shinto spirit known as a kami.

The first volume was published under the Kadokawa Gin no Saji Series imprint on July 4, 2008,[3] and the last, the sixth, on November 29, 2012.

A manga series adaptation, illustrated by Ranmaru Kotone and published by Kadokawa Shoten in Monthly Shonen Ace magazine began serialization in December 2012 issue released on October 26, 2012.

[9] Funimation later added the English dub version in June 2014, alongside Date A Live, Karneval and Code:Breaker.