Last name جانس (Jans 
, جانس 
) , all around the world, is a common cognomen. The cognomen جانس is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Netherlands, and Luxembourg. Measured by absolute frequency, it is the most numerous in Western Europe, particularly Belgium, Netherlands, and Germany. Much less frequently, جانس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jans | Germany, United States, Netherlands, Belgium, Indonesia |
| جانس | Palestinian Territory, Iran |