Surname غايس (Geis 
, غايس 
) , globally, is a common family name. The surname غايس is habitual in Germany, where it is quite a rare surname, Uruguay, and Switzerland. In absolute terms, it is the most numerous in Germany, the United States, and France. Very seldom, غايس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geis | Germany, Spain, Switzerland, United States, France |
| غايس | Egypt |