Around the world, رياس (رياس 
, Reas 
) is a rare boy's given name. The first name رياس is habitual in Western Asia, particularly Oman, where it is a rare masculine name, Iraq, and Saudi Arabia. In absolute terms, it is commonest in Iraq, Saudi Arabia, and Indonesia. More frequently, رياس is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| رياس | Morocco, Iraq, Sudan, Palestinian Territory, Saudi Arabia |
| Reas | Philippines, Bolivia, United States, Indonesia, Saudi Arabia |