How to say "dad" in Japanese

Choosing the right word
  • パパJLPT N4approx.Common
    nounThe affectionate 'daddy' or 'papa': what young children call their father and what parents use with them; adults also use it playfully for the family 'dad'.
    ママもパパもひどくいらだっているの。↗
    Mummy and Daddy are very nervous.
  • おやじCommon
    nounA rough, masculine 'my old man' or 'pops', typically used by men speaking of their own father in casual chat with friends; usually written in kana alone.
    親父おやじはじっと私の顔かおを見みた。↗
    Father looked me full in the face.
  • noun, noun (prefix)Formed by adding the friendly さん to パパ. For the family sense of 'dad' this is seldom the word you want: some families say it, but パパ or お父さん is the usual choice.
  • お父さんおとうさんJLPT N5approx.Common
    nounThe respectful term for 'father; dad': address your own father with it, and it is also the natural way to refer to someone else's father in conversation.
    お父とうさんは煙草たばこの煙けむりでたくさん輪りんを作つくれる。↗
    Dad can blow many smoke rings.
  • 父さんとうさんCommon
    nounA plain way to address your own father, essentially お父さん without the honorific お; family members use it at home for 'dad' or 'pa'.
    彼かれは父とうさんほど背せが高たかくない。↗
    He is not as tall as his father.

Use 「パパ」 for a child's affectionate 'daddy', 「おやじ」 for a casual masculine 'old man', 「お父さん」 or 「父さん」 to address your father (「お父さん」 also for other people's fathers), and treat 「パパさん」 as a marginal variant.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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