Family name Zja (Zja 
) , all around the world, is a very rare surname. The surname Zja is characteristic of Myanmar, where it is a very rare surname, Thailand, and China, where it is an extremely rare surname. Very seldom, Zja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zja | China, Thailand, United States, India, Myanmar |