Vampire Hunter D (Japanese: 吸血鬼バンパイアハンターD, Hepburn: Banpaia Hantā Dī) is a series of novels written by Japanese author Hideyuki Kikuchi and illustrated by Yoshitaka Amano since 1983.

As of April 2022, 40 novels have been published in the main series, with some novels comprising as many as four volumes. They have sold over 17 million copies worldwide, making Vampire Hunter D one of the best-selling book series in history. The series has also spawned anime, audio drama, manga, comic adaptations, a video game, as well as a short story collection, art books, and a supplemental guide book.