Rosario + Vampire (ロザリオとバンパイア, Rozario to Banpaia) is a Japanese manga series written and illustrated by Akihisa Ikeda. The story revolves around Tsukune Aono, a boy who accidentally gets enrolled in a school inhabited by monsters and demons. He quickly befriends Moka Akashiya, a vampire who soon develops an obsession with his blood, and later meets other girls who soon take a romantic liking to him. The manga began serialization in the August 2004 issue of Monthly Shonen Jump and ended on the June 2007 issue (one extra chapter was serialized in Weekly Shonen Jump in September 2007), and sold ten volumes between October 2004 and October 2007. Rosario + Vampire: Season II (ロザリオとバンパイア seasonII, Rozario to Banpaia Shīzun Tsū), a continuation of the series, is ongoing and began serialization in the November 2007 issue of Jump Square, with ten volumes available in Japan as of December 2011. The series is licensed in North America and in the United Kingdom by Viz Media, and in Australia and New Zealand by Madman Entertainment. The series also spanned three CD dramas, two visual novels, a novel adaptation, and two internet radio shows.

A 13-episode anime adaptation of Rosario + Vampire aired in Japan between January and March 2008. A second season of the series also aired in Japan between October and December 2008. The anime is licensed in North America by Funimation Entertainment, who released both seasons on December 20, 2011. The anime is also licensed in Australia and New Zealand by Madman Entertainment, who released both seasons in 2012.