Crimson Demon may refer to: Sanada Yukimura (1567–1615), Japanese samurai nicknamed the "Crimson Demon of War" The Blood Demon, a 1967 West German horror film, advertised in Rhode Island newspapers as Crimson Demon Crimson Demon, a fictional character in the video game BloodRayne: Betrayal Crimson Demons, fictional characters in the light novel series KonoSuba Crimson Demon, a fictional character in the television series Mighty Med Crimson Demons, fictional characters in the video game The Seven Deadly Sins: Grand Cross
See also Crimson King, a fictional character in the novel series The Dark Tower Cyttorak, a Marvel Comics character