Isao(いさお, イサオ) is a masculine Japanese given name which was popular during the Shōwa period (1926–1989).

Written forms

Isao can be written using different kanji characters and can mean:

  • 功, "achievement"
  • 勲, "meritorious"
  • 績, "exploits"
  • 公, "public"
  • 勇男, "brave, man"
  • 勇夫, "brave, man"
  • 勇雄, "brave, masculine"
  • 伊佐夫
  • 伊佐雄
  • 伊三男

The name can also be written in hiragana or katakana.

People with the name

Fictional characters

  • Isao, a character in the manga series How to Keep a Mummy
  • Isao Iinuma, protagonist of the novel Runaway Horses
  • Isao Ohta (功), a character in the anime and manga series Mobile Police Patlabor
  • Kondo Isao, a character in the anime and manga series Gin Tama