Surname ジアン (Ziem 
, ジアン 
) , in the entire world, is quite a rare family name. The family name ジアン is characteristic of Cameroon, where it is quite a rare surname, Ghana, and Germany. Very seldom, ジアン is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ziem | Brazil, Cameroon, Germany, United States, Ghana |
| ジアン | Japan |