JAPN Japanese Honorifics: San, Kun, Chan, Sama and Sensei
Japanese Honorifics: San, Kun, Chan, Sama and Sensei
The Honorific System
San is the universal default honorific, equivalent to Mr/Ms, attached after family names (Tanaka-san) and sometimes first names. It applies to both genders and all ages in most situations. Kun is used for boys and young men, or by superiors addressing male subordinates. Chan is affectionate, used for children, close female friends, babies, and cute things. Sama expresses deep respect, used for customers (okyaku-sama), deities, and in formal correspondence. Sensei (teacher/master) applies to teachers, doctors, lawyers, professors, and politicians.
Using no honorific (yobisute) with someone indicates either extreme closeness or deliberate rudeness. Japanese people typically maintain san even with colleagues they have worked with for years. Foreigners are generally addressed by first name plus san (David-san) since Japanese surnames are harder for colleagues to learn. Self-reference never takes honorifics: saying Tanaka-san about yourself sounds arrogant. The system reflects Japan’s attentiveness to relative social positioning in every interaction.
Practical Usage
When meeting someone, address them as [family name]-san until invited to use their first name. In emails and formal contexts, use sama after the recipient’s name. At restaurants, staff address you as okyaku-sama (honored customer). Teachers and doctors are addressed as sensei, not san.
When to Use Each
San is the universal default honorific, equivalent to Mr./Ms., used with surnames and sometimes given names. Use san with everyone unless specifically told otherwise. Sama elevates san to the level of extreme respect, used in customer service (okyaku-sama = honored customer), formal letters, and addressing royalty. Chan is an endearing diminutive used for children, close female friends, and pets, but never for adult men or strangers. Kun is used by seniors addressing junior males, teachers addressing male students, and among male friends, roughly equivalent to “buddy.” Sensei (teacher, doctor, master) applies to teachers, professors, doctors, lawyers, politicians, and accomplished artists or craftsmen, acknowledging their expertise and authority. Senpai designates someone senior to you in school, workplace, or activity, carrying expectations of mentorship and respect. Dropping honorifics entirely (yobisute) signals intimate friendship or deliberate rudeness, and most Japanese never drop san in professional contexts regardless of relationship length.
The nuance of honorific usage extends to referring to family members. When speaking about your own family to outsiders, humble forms are used: chichi (father), haha (mother), ani (older brother). When referring to someone else’s family members, respectful forms apply: otousan (father), okaasan (mother), oniisan (older brother). This inside/outside (uchi/soto) distinction pervades Japanese social language and reflects the broader cultural concept of adjusting behavior based on group membership.
When Honorifics Change
The shift from one honorific to another marks significant changes in social relationships. When Japanese colleagues move from surname-plus-san (Tanaka-san) to first-name-plus-kun or first-name-plus-chan, it signals that a closer personal bond has formed, a transition that may take months or years of working together. Some colleagues never make this shift and remain surname-plus-san for entire careers. Asking permission to use a more familiar address (yobisute, calling without honorific) is itself a meaningful social gesture.
In customer service contexts, the honorific sama (more formal than san) is universally applied: okyaku-sama (honored customer) is the standard reference regardless of the actual customer’s status. Department store announcements, hotel staff, and even convenience store clerks use sama when addressing customers. Within the yakuza, the honorific oyabun (father role) for the boss and kobun (child role) for subordinates explicitly frames the criminal organization as a family structure, demonstrating how deeply honorifics encode social relationships in Japanese culture, even in its margins.
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