Chugaku Akamatsu (赤松 中学, Akamatsu Chūgaku) is a Japanese light novel, manga author, and screenwriter. He belongs to Scenario Studio Gekko. His is best known for the series Hidan no Aria, which has been adapted into a TV anime. He won the 3rd MF Bunko J Light Novel Newcomer Award for Excellence for his novel Astronoto.