Globally, Габдуллаев (Abdullayev 
, Габдуллаев 
) is a rare masculine first name. The given name Габдуллаев is habitual in Azerbaijan, where it is quite a rare masculine name, Albania, where it is a rare masculine name, and China, where it is an extremely rare male name. Much more frequently, Габдуллаев is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Abdullayev | Azerbaijan, Uzbekistan, Russia, Turkmenistan, Tajikistan |
| Габдуллаев | Azerbaijan, Kazakhstan, Russia |