Surname ددد (ددد 
) , across the world, is a rare last name. The cognomen ددد is habitual in Saudi Arabia, where it is a rare surname, Libya, and Syria. Not in comparison with a country's population, it most frequently occurs in Saudi Arabia, Egypt, and Sudan. Very seldom, ددد is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ددد | Saudi Arabia, Iraq, Egypt, Sudan, Syria |