Family name Йадав (Jadav 
, Iadav 
, Йадав 
) , in the entire world, is a widespread cognomen. The surname Йадав is habitual in India, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Qatar. Not in comparison with a country's population, it is commonest in India, United Arab Emirates, and the United States. Much less frequently, Йадав is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jadav | Saudi Arabia, United Arab Emirates, United States, United Kingdom, India |
| Iadav | Georgia, India, Russia |
| Йадав | Ukraine, Russia |