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 |
|---|---|
| Jenia, Genia | Tanzania, Philippines, United States, Georgia, Democratic Republic of the Congo |
| Jenya | Philippines, Brazil, United States, India, Israel |
| ג'ניה | Israel |