Surname Xamidullin (Хамидуллин 
, Xamidullin 
) , all over the world, is a common family name. The family name Xamidullin is habitual in Russia, where it is quite a rare surname, Kazakhstan, and Azerbaijan.
| VARIANT | COUNTRY |
|---|---|
| Хамидуллин | Tajikistan, Azerbaijan, Russia, Kazakhstan, Belarus |
| Xamidullin | Georgia |