Last name جينس (Jens 
, Janes 
, Geens 
) , worldwide, is a common cognomen. The family name جينس is characteristic of Belgium, where it is quite a common surname, Estonia, and Slovenia, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in the United States, Belgium, and Germany. More prevalently, جينس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jens | Germany, Sweden, Belgium, United States, Denmark |
| Janes | Germany, Belgium, United Kingdom, United States, Brazil |
| Geens | Germany, Belgium, United Kingdom, United States, Canada |