Cognomen ג'ניה (Genia 
, Jenia , Jenya 
) , in all the world, is quite a common surname. The family name ג'ניה is characteristic of Georgia, where it is quite a common surname, Israel, where it is quite a rare surname, and Papua New Guinea. In absolute terms, it is commonest in Georgia, Indonesia, and Israel. More frequently, ג'ניה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Genia, Jenia | Democratic Republic of the Congo, Philippines, Georgia, United States, Tanzania |
| Jenya | Philippines, Israel, Brazil, India, United States |
| ג'ניה | Israel |