Reptilia is a horror manga written and drawn by Kazuo Umezu. The manga, titled Hebishoujo (へび少女?, "Snake Girl") in the original Japanese, is a series of three stories involving a shapeshifting snake-woman who haunts a Japanese village. It was originally published in 1965 by Kadokawa Shoten. Hebishoujo was published in English under the title "Reptilia" by IDW Publishing.