Surname Yadlovsky (Ядловский 
, Yadlovsky 
) , worldwide, is a rare cognomen. The surname Yadlovsky is habitual in Belarus, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Russia. Not in comparison with a country's population, the name is most common in Belarus, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ядловский | Belarus, Ukraine, Russia, Kazakhstan |
| Yadlovsky | United States |