Cognomen الهادء (الهادء 
) , in all the world, is quite a rare family name. The cognomen الهادء is habitual in Iraq, where it is quite a rare surname, Syria, where it is a rare surname, and Algeria. Not in comparison with a country's population, this name is the most popular in Iraq, Syria, and Egypt. Very seldom, الهادء is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الهادء | Morocco, Iraq, Egypt, Syria, Algeria |