Cognomen لاد (Lad 
, Ladd 
, لاد 
) , in all the world, is a widespread family name. The family name لاد is characteristic of Marshall Islands, where it is quite a common surname, Jersey, and Saint Lucia (explore the name in all countries). Not in comparison with a country's population, it is commonest in India, the United States, and the United Kingdom. Very seldom, لاد is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lad | Canada, United Kingdom, United States, India, Algeria |
| Ladd | Myanmar, Canada, United Kingdom, United States, India |
| لاد | Iraq, Iran |