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 | Germany, Ghana, United States, Cameroon, Brazil |
| ジアン | Japan |