How to Say “Happy Birthday Dad” in Japanese

お父さん、誕生日おめでとう
otousan, tanjoubi omedetou
The English phrase "happy birthday dad" is translated into Japanese as お父さん、誕生日おめでとう (otousan, tanjoubi omedetou).
This phrase is a greeting used to wish one's father a happy birthday. In Japanese, it is natural to include the person's title, such as お父さん (otousan), at the beginning of the greeting, whereas English speakers often omit the word "dad" in the phrase.

What does it mean word for word?

The word for birthday, 誕生日 (tanjoubi), literally means "day of birth."

How do you pronounce it?

otousan, tanjoubi omedetou

Did you know?

  • The word for 'birthday', 誕生日 (tanjoubi), contains the character for 'birth' and 'day', but the concept of celebrating a specific birth date is a relatively modern Western influence on Japanese culture.
  • While お父さん is the standard term for 'dad', a man referring to his own father when speaking to others will often use the humbler term 父 (chichi).
  • The greeting おめでとう (omedetou) comes from a root meaning 'congratulations'. In Japanese, wishing someone a happy birthday is conceptually closer to 'congratulations on your birthday' than the English 'happy' construction.

Examples in context

  • お誕生日おめでとうございます、お父さん。
    Happy Birthday Dad
  • お父さん、誕生日おめでとう。プレゼントだよ。
    Otousan, tanjoubi omedetou. Purezento dayo.
    Happy birthday, dad. This is a present for you.
  • お父さん、誕生日おめでとうございます!
    Otousan, tanjoubi omedetou gozaimasu!
    Happy birthday, dad! (polite/respectful)

Example conversation

Hiyori gives a present to her father, Ren.

  1. 陽葵 Himari

    お父さん、誕生日おめでとう!
    Otousan, tanjoubi omedetou!
    Happy birthday, Dad!
  2. 蓮 Ren

    ありがとう、陽葵。
    Arigatou, Hiyori.
    Thank you, Hiyori.
  3. 陽葵 Himari

    これ、プレゼントだよ。
    Kore, purezento dayo.
    This is a present for you.
  4. 蓮 Ren

    嬉しいよ。ありがとう。
    Ureshii yo. Arigatou.
    I'm so happy. Thank you.
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Freya Kirsty
Freya KirstyHelp 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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