San, Sama, Kun: Japanese Titles
Japanese honorifics are suffixes added to names that signal the relationship between speaker and listener. Getting them right is not optional — using the wrong honorific (or none at all) can cause real social awkwardness. The good news is that you only need to master about six suffixes and two special titles to navigate most situations confidently.
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さん (san) — The Universal Polite Suffix
San is the default. When in doubt, use san. It works for men and women, young and old, and covers virtually every social situation outside of very close relationships.
- 田中さん (Tanaka-san) — Mr./Ms. Tanaka
- 山田さん (Yamada-san) — Mr./Ms. Yamada
San attaches to last names in professional settings and can attach to first names among friends. It is gender-neutral — there is no need to know someone's gender to use it correctly.
Never use san (or any honorific) when referring to yourself. Saying "watashi wa Tanaka-san desu" sounds very strange. Honorifics are for others, not for yourself. Simply say "Tanaka desu" (I am Tanaka).
様 (sama) — High Respect and Formality
Sama is the elevated form of san. It conveys deep respect or is used in formal service contexts.
- お客様 (o-kyaku-sama) — customer (formal)
- 神様 (Kami-sama) — God
- Business emails and letters: 田中様
In retail and hospitality, customers are always addressed with sama. You will hear o-kyaku-sama in every shop and restaurant. In daily conversation, using sama can sound ironic or overly flattering unless the context clearly calls for it.
くん (kun) — Boys and Male Juniors
Kun is used primarily for boys, younger males, and male colleagues of equal or lower status. Male teachers often use kun for male students.
- 太郎くん (Tarō-kun) — addressing a boy named Tarō
- A boss to a young male employee: 佐藤くん
In some workplaces, female managers use kun for female subordinates as well, though this is less traditional.
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ちゃん (chan) — Cute and Affectionate
Chan conveys affection and cuteness. It is used for small children, close female friends, babies, pets, and sometimes romantic partners.
- 花子ちゃん (Hanako-chan) — little Hanako / dear Hanako
- おばあちゃん (obā-chan) — grandma (affectionate)
- おじいちゃん (ojī-chan) — grandpa (affectionate)
Using chan for an adult you are not close to is inappropriate. It can come across as condescending or overly familiar. Between close female friends, however, it is completely normal and expected.
先生 (sensei) — Teachers, Doctors, and Masters
Sensei replaces san for anyone in a teaching, healing, or creative authority role: teachers, professors, doctors, lawyers, authors, and martial arts instructors.
- 鈴木先生 (Suzuki-sensei) — Dr./Prof./Teacher Suzuki
- 先生、質問があります。 (Sensei, shitsumon ga arimasu.) — Teacher, I have a question.
Sensei can be used alone (without a name) when directly addressing someone in these roles.
先輩 (senpai) — Seniors and Upperclassmen
Senpai is used for anyone who entered an organization, school, or activity before you. It establishes a mentoring hierarchy.
- 高橋先輩 (Takahashi-senpai) — senior Takahashi
- The junior person (kōhai / 後輩) addresses the senior as senpai.
Senpai/kōhai relationships are deeply embedded in Japanese culture. Even in companies, someone who joined a year before you is your senpai. This hierarchy influences everything from seating order to who pours drinks at after-work gatherings.
When Honorifics Are Dropped
Dropping all honorifics (呼び捨て / yobisute) signals very close intimacy:
- Family members often drop honorifics with each other.
- Very close friends may agree to drop san: 「さんなしでいいよ」 (san nashi de ii yo) — "You can drop the san."
- Romantic partners frequently use just first names.
If someone invites you to drop honorifics, it is a sign of trust. Until then, always use san as your default.
Frequently Asked Questions
What is the most common Japanese honorific?
San (さん) is by far the most common. It is the safe, neutral polite suffix used for adults in nearly all situations — colleagues, acquaintances, strangers, and even when talking about someone you do not know. It is equivalent to Mr./Ms. but without gender distinction.
When should I use sama instead of san?
Sama (様) is a more formal, respectful version of san. Use it for customers (o-kyaku-sama), in business emails, for deities (Kami-sama), and when addressing someone you hold in very high regard. Using sama in casual conversation sounds excessively formal or sarcastic.
Is it rude to call someone by their first name in Japan?
In most situations, yes. Japanese people typically use last names with san in professional and social settings. First names are reserved for close friends, family, and romantic partners. Using someone's first name without permission implies a level of intimacy that can make people uncomfortable.
What does dropping all honorifics mean?
Calling someone by just their name with no suffix (yobisute / 呼び捨て) signals very close intimacy — typically family members, romantic partners, or childhood friends. In anime and manga, a character dropping honorifics often signals a shift in their relationship.
Can I use chan for boys and kun for girls?
While chan is traditionally for girls and young children, and kun for boys and male juniors, modern usage is more flexible. Some women use kun with close male friends. Chan can be used for boys in very casual contexts. However, in professional settings, always use san regardless of gender.