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 | Philippines, Australia, United States, Germany, Democratic Republic of the Congo |
| Gijs | Philippines, Netherlands, Australia, United Kingdom, United States |
| Geis | Spain, United Kingdom, United States, Germany, Indonesia |
| جيس | Yemen, Sudan, Syria, Iraq, Turkey |