Ōzora, Ozora, Oozora or Ohzora (written: 大空) is a Japanese surname. Notable people with the surname include:

, Japanese voice actress

Fictional characters , a character in the anime series Aikatsu! , a character in the anime series Kaidan Restaurant , a character in the manga series Harukana Receive , a character in the game and anime series Little Battlers Experience W , titular character of the manga series Stop!! Hibari-kun! , a character in the game and anime series Little Battlers Experience W , protagonist of the manga series Captain Tsubasa , a character in the anime series Digimon Universe: Appli Monsters