Cognomen هاد (Had 
, هاد 
) , in all the world, is a common surname. The last name هاد is characteristic of Algeria, where it is quite a rare surname, Brunei, and Maldives. Not in comparison with a country's population, the name is most common in India, Algeria, and Egypt. Likewise, هاد is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Had | Morocco, Egypt, Algeria, Saudi Arabia, India |
| هاد | Yemen, Saudi Arabia, Iraq |