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Vampire Knight (Japanese: ヴァンパイア騎士 (ナイト), Hepburn: Vanpaia Naito) is a Japanese manga series written by Matsuri Hino. It was serialized in Hakusensha's shōjo manga magazine LaLa from 2004 to 2013, with its chapters collected in nineteen tankōbon volumes. The manga series is licensed in English by Viz Media, who has released all nineteen volumes. The English adaptation premiered in the July 2006 issue of Viz's Shojo Beat magazine, with the collected volumes being published on a quarterly basis.

Two drama CDs were created for the series, as well as a twenty-six episode anime adaptation based on the first two sagas. Produced by Studio Deen, the anime series' first season aired in Japan on TV Tokyo between April and July 2008. The second season, aired on the same station from October to December 2008. The anime uses many of the same voice actors as were used for the drama CDs. The anime adaptations were licensed for release in North America by Viz Media.