Surname Зазай (Zazai 
, Zazay 
, Зазай 
) , in all the world, is a common cognomen. The family name Зазай is habitual in Afghanistan, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Kuwait. Not in comparison with a country's population, it most frequently occurs in Afghanistan, Saudi Arabia, and United Arab Emirates. Much less frequently, Зазай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zazai | United Arab Emirates, Pakistan, United States, Afghanistan, Saudi Arabia |
| Zazay | Germany, Pakistan, United Kingdom, United States, Afghanistan |
| Зазай | Kazakhstan, Russia, Ukraine |