Adding -san after a Japanese name is a polite honorific, roughly like saying “Mr.,” “Ms.,” or just “sir/ma’am” in English, but it’s used much more broadly and neutrally in Japanese. It shows respect and is common with coworkers, acquaintances, and people you don’t know well.

How it’s used

  • Usually goes after the name: Tanaka-san , Yuki-san.
  • It can be used with a last name or sometimes a first name , depending on the relationship and context.
  • It is gender-neutral and works for adults and children.

What it implies

  • It signals basic politeness and social distance, not deep formality.
  • Leaving it off can sound too casual or even rude if you aren’t close to the person.
  • It is one of the safest honorifics to use when you’re unsure.

Simple example

  • Suzuki-san = “Mr./Ms. Suzuki” in a polite, respectful way.

TL;DR: -san is a respectful Japanese honorific added after a name, similar to “Mr./Ms.” but more flexible and widely used.