Cognomen ضياب (ضياب 
) , in the entire world, is a rare surname. The surname ضياب is characteristic of Sudan, where it is a rare surname, and Palestinian Territory, where it is a very rare surname. Very seldom, ضياب is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ضياب | Palestinian Territory, Iran, Sudan |