Hideo Aoshima (青島 ひでお, Aoshima Hideo) is a high ranking jōnin of Okagakure, and the leader of Team Hideo.
Hideo graduated the Ninja Academy at age 10. Two years later, he participated in the 4th year's Shinobi World Tournament. Hideo's performance during this event gained him the promotion to chūnin. He would become a jōnin by age 16.