Hitotsume-Kozō (一つ目小僧 Hitotsume-Kozō, lit. One-Eyed Boy) is a one-eyed yōkai.
He also appears in GeGeGe no Kitarō: Nippon Bakuretsu!! He is one of the chosen 47 Yōkai Warriors and represents Tokyo. His mark is located on the back of his right hand. Due to the fifth anime adaptation's sudden cancellation at 100 episodes, he is among the 23 Yōkai Warriors whose marks were not revealed aside from the movie.