Last name غيليس (Gilles 
, Gillis 
, غيليس) , worldwide, is a common cognomen. The family name غيليس is characteristic of Belgium, where it is quite a common surname, British Virgin Islands, and France (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, France, and Canada. More prevalently, غيليس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gilles | France, United States, Canada, Cameroon, Democratic Republic of the Congo |
| Gillis | Belgium, United States, Canada, France, Democratic Republic of the Congo |