Surname جيس (Jess 
, Gijs 
, Geis 
) , all around the world, is a common family name. The last name جيس is characteristic of Mauritius, where it is quite a rare surname, Germany, and Belgium. In absolute terms, it is commonest in Germany, the United States, and Indonesia. More frequently, جيس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jess | Australia, Germany, Philippines, United States, Democratic Republic of the Congo |
| Gijs | Australia, Philippines, United States, United Kingdom, Netherlands |
| Geis | Germany, Spain, United Kingdom, United States, Indonesia |
| جيس | Iraq, Yemen, Sudan, Syria, Turkey |