How to Say “Brother” in Japanese Hiragana

あに
animy older brother
Japanese has no single word for brother. You say あに (ani) for your own older brother and おとうと (otōto) for your younger brother. For another person's older brother, use おにいさん (oniisan).
Meaning: male sibling (noun)

Ways to say it

“brother” in Japanese
Japanese Romanization Note
あに ani my older brother
おとうと otōto my younger brother
おにいさん oniisan someone else's older brother

When talking about your own family to outsiders, use あに (ani) and おとうと (otōto). When speaking about someone else's family, add polite forms such as おにいさん (oniisan).

Which one should you use?

Younger siblings call their older brother おにいちゃん (oniichan) or おにいさん (oniisan) directly, and older siblings usually call a younger brother by name.

Did you know?

  • Japanese distinguishes older and younger siblings in everyday words, which English does not.

Examples in context

  • あには先生です。
    ani wa sensei desu.
    My older brother is a teacher.
  • おとうとは高校生です。
    otōto wa kōkōsei desu.
    My younger brother is a high school student.

Example conversation

Yui introduces her family to her Teacher.

  1. Teacher

    きょうだいはいますか。
    kyōdai wa imasu ka.
    Do you have siblings?
  2. Yui

    はい、あにとおとうとがいます。
    hai, ani to otōto ga imasu.
    Yes, I have an older brother and a younger brother.
  3. Teacher

    おにいさんは何歳ですか。
    oniisan wa nansai desu ka.
    How old is your older brother?
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Lois IsabelleHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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