Family name Иззатуллаев (Иззатуллаев 
, Izzatullayev 
) , in all the world, is a rare last name. The family name Иззатуллаев is habitual in Central Asia, particularly Kazakhstan, where it is a rare surname, Uzbekistan, and Kyrgyzstan, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Uzbekistan, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Иззатуллаев | Kyrgyzstan, Kazakhstan, Russia |
| Izzatullayev | Uzbekistan |
| азизулла султанович иззатуллаев KG (b. 1925) |
|