〜さん・〜ちゃん・〜くん・〜様・〜先生
Mr/Ms (name suffixes)
Name + さん / ちゃん / くん / 様 / 先生
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Japanese names are almost always followed by a suffix:
- さん: the all-purpose polite one, for adults you don't know well, colleagues and neighbours.
- ちゃん: for small children, close friends and family members; affectionate.
- くん: for boys and younger men, often from teachers or seniors.
- 様: very formal, for customers (お客様) and in letters.
- 先生: for teachers, doctors and other experts, used instead of さん.
Never add a suffix to your own name: 私は田中です, not 田中さんです. Family names are the usual choice at work and school; given names with ちゃん or くん are for closer relationships.
Examples
田中さんはどこですか。
Where's Tanaka?
妹のゆきちゃんは五歳です。
My little sister Yuki is five.
山田先生、質問があります。
Professor Yamada, I have a question.
お客様、こちらへどうぞ。
This way, please.
佐藤くん、ちょっと来て。
Sato, come here a second.