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 | Saudi Arabia, Morocco, Algeria, Egypt, India |
| هاد | Yemen, Iraq, Saudi Arabia |