Family name Габдуллаев (Abdullayev 
, Габдуллаев 
) , globally, is a common last name. The family name Габдуллаев is characteristic of Azerbaijan, where it is a common surname, Uzbekistan, where it is quite a common surname, and Turkmenistan, where it is quite a rare surname. Much less frequently, Габдуллаев is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Abdullayev | Uzbekistan, Russia, Tajikistan, Azerbaijan, Turkmenistan |
| Габдуллаев | Kazakhstan, Azerbaijan, Russia |