Blood magic

Blood magic may refer to:
 * Blood ritual
 * Blood Magic, an episode of the supernatural drama TV series Grimm
 * Blood Magic, the name of the original release of the computer game Dawn of Magic
 * Blood Magic, a novel of the World of the Lupi series by Eileen Wilks
 * Blood Magic, a 2001 horror story collection by Lucy A. Snyder
 * Blood Magic, a mod for the video game Minecraft that allows players to perform rituals using blood and the souls of demons.