Surname Fathullin (Фатхуллин 
, Fathullin 
) , in the world, is quite a rare family name. The family name Fathullin is characteristic of Russia, where it is quite a rare surname, Azerbaijan, and Kazakhstan, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Фатхуллин | Kazakhstan, Azerbaijan, Russia, Ukraine |
| Fathullin | Italy, Russia |