Cognomen الربى (الربى 
) , across the world, is quite a rare last name. The last name الربى is characteristic of Iraq, where it is quite a rare surname, Libya, and Algeria, where it is a rare surname. In absolute terms, this name is the most popular in Iraq, Algeria, and Sudan.
| VARIANT | COUNTRY |
|---|---|
| الربى | Sudan, Algeria, Egypt, Libya, Iraq |