Surname Шахдуллаев (Шахдуллаев 
) , throughout the world, is an extremely rare cognomen. The cognomen Шахдуллаев is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Шахдуллаев | Russia |
Камал, Дагир, and Камалутдин