Around the globe, Giass (Giass 
) is a rare boy's first name. The given name Giass is habitual in Oman, where it is a rare boy's name, Saudi Arabia, and Pakistan, where it is an extremely rare boy's name. Very seldom, Giass is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giass | Oman, India, Bangladesh, Pakistan, Saudi Arabia |