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