Family name Piotrovskiy (Пиотровский 
, Piotrovskiy 
) , all over the world, is a rare cognomen. The last name Piotrovskiy is habitual in Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Пиотровский | Kazakhstan, Russia, Belarus |
| Piotrovskiy | Russia, Ukraine |