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 | United Arab Emirates, United Kingdom, United States, India, Saudi Arabia |
| Iadav | Russia, India, Georgia |
| Йадав | Russia, Ukraine |