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, Afghanistan, Pakistan, United States, Saudi Arabia |
| Zazay | United Kingdom, Afghanistan, Pakistan, Germany, United States |
| Зазай | Ukraine, Kazakhstan, Russia |