Okajima

• Hideki Okajima, former Japanese professional baseball pitcher
• Kanata Okajima, Japanese singer and songwriter
• Kiyonobu Okajima, former Japanese football player
• Tae Okajima, Japanese voice actress
• Takero Okajima, Japanese professional baseball catcher
• Toru Okajima, Japanese ice hockey player

  Fictional characters

• List of Assassination Classroom characters#Class 3-E, a character in the Assassination Classroom anime and manga
• Takeo Okajima, a character in the Studio Ghibli film Only Yesterday