Family name Рухулла (Ruhulla 
, Рухулла 
, Sidgi 
) , all over the world, is a rare last name. The last name Рухулла is characteristic of Azerbaijan, where it is quite a rare surname, Sudan, where it is a rare surname, and Bangladesh, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Bangladesh, India, and Sudan. Also, Рухулла is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruhulla | Saudi Arabia, Turkey, India, Bangladesh, Azerbaijan |
| Рухулла | Kazakhstan, Ukraine, Russia |
| Sidgi | Turkey, Sudan, Morocco, India, Indonesia |
| Ruhillo | Philippines |