Cognomen ضرس (ضرس 
) , globally, is a rare last name. The family name ضرس is habitual in Sudan, where it is a rare surname, and Saudi Arabia, where it is a very rare surname. Very seldom, ضرس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ضرس | Iraq, Sudan, Saudi Arabia |