Japanese Honorifics: San, Kun, Chan, Sama and When to Use Them

The 8 Main Japanese Name Suffixes

The table below covers the most important Japanese name suffixes you will encounter as a learner, with formality level, gender usage, who uses it for whom, and a real example sentence.

Note: 後輩 is rarely used directly as an address to someone's face — it is more of a descriptive label. The person you address would still typically receive さん or their name.

Formality Tier: From Most Formal to Most Intimate

Japanese name suffixes map onto a clear social hierarchy. Understanding where each one sits helps you avoid awkward or rude situations.

A useful rule of thumb: start one tier higher than you think you need. It is always easier to relax into familiarity once a relationship develops, and starting too casual is harder to recover from than starting too formal.

When Dropping Suffixes is Appropriate (呼び捨て)

呼び捨て (yobisute) literally means "throwing away the name suffix." Calling someone by their bare name with no suffix signals a level of closeness or informality that must be mutually understood.

Appropriate situations for yobisute:

• Very close friends of similar age who have explicitly or implicitly agreed to drop formalities
• Romantic partners — using a partner's first name without a suffix is common in intimate relationships
• Young children — adults calling young children by bare name is normal and affectionate
• Older family members addressing much younger relatives
• In certain anime/manga contexts — characters dropping suffixes to signal a shift in a relationship is a narrative device, but do not imitate this in real life without real-world closeness

Not appropriate situations:

• Classmates or colleagues you have known for weeks or months but are not close to
• Anyone older or in a position of authority above you
• People you have just met, regardless of how casual the setting
• In professional or business contexts

As a Japanese learner, the safest policy is: never drop the suffix unless the other person explicitly invites you to do so. Japanese people will almost never be offended by you being more formal than necessary — they will only be offended by being too casual.

Name Suffixes vs Job Titles: The Key Distinction

Japanese has a category of titles that function differently from name suffixes — they are professional or role-based honorifics that can stand alone or be attached to a name. Understanding this distinction is essential for intermediate learners.

Critical rule: These professional titles replace さん — you do not stack them. You say 山田先生, not 山田先生さん. Similarly, you say 田中社長, not 田中社長さん (though お医者さん is an exception where さん is baked in as a softener).

Additionally, you never use these titles to refer to yourself. A doctor does not say 私は先生です (I am a teacher/doctor) to introduce themselves in a professional capacity — they use their name and role. The title 先生 is always conferred by others.

さん vs くん vs ちゃん — When to Use Each

These three suffixes are the ones learners use most, and the ones most commonly misused. Here is a detailed comparison:

Usage examples side by side

• New colleague, any gender → 田中さん ✓ / 田中くん ✗ (too familiar)
• Your 8-year-old nephew → けんじくん ✓ or けんじちゃん ✓ (both fine for a young boy)
• Your best female friend → さくらちゃん ✓ (close friendship) or さくらさん ✓ (both work)
• Senior manager at work → 山田さん ✓ or 山田部長 ✓ (if using their title) / 山田ちゃん ✗ (rude)
• Customer you are serving → お客様 ✓ (always use 様 for customers) / 田中さん ✓ (if you know their name)

5 Common Mistakes with Japanese Name Suffixes

1. Using さん with your own name. Never attach any honorific suffix to your own name. Saying 私はマリアさんです (I am Maria-san) is incorrect — honorific suffixes are only used for other people. Simply say 私はマリアです.
2. Using くん for women or older people. くん has a male and junior connotation. Using it for a female colleague or for someone older comes across as condescending or overly familiar. When uncertain, always default to さん.
3. Stacking suffixes. Do not combine title honorifics with さん. 先生さん or 社長さん are both unnatural (お医者さん being a fixed exception). Pick one — either the name + title, or the name + さん.
4. Using ちゃん with adults you have just met. Even if someone seems young or approachable, using ちゃん with a stranger or new acquaintance is presumptuous and can feel patronising. Use さん until you have built real familiarity.
5. Dropping suffixes too early. In anime and media, characters often call each other by bare name to signal closeness — this normalises yobisute for learners. In real life, Japanese people are unlikely to invite this unless they genuinely feel that closeness. Continuing to use さん is never offensive; dropping the suffix prematurely can be.

FAQ

Name Suffixes vs Titles: Choose the Right Guide

This page focuses on endings attached to names. Use the Japanese honorifics guide for the broader system of suffixes, titles, seniority, and teacher terms.

Sources and Editorial Notes

Name suffixes express social relationships, not fixed English titles. The recommendations here use conservative standard-Japanese defaults and distinguish everyday use from historical, fictional, customer-service, and institutional language.

• Japan Foundation: Irodori Japanese for Life in Japan
• YoruLearn editorial method and corrections policy

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