Family name Prozorovskiy (Prozorovskiy 
, Прозоровский 
) , in the entire world, is a rare cognomen. The cognomen Prozorovskiy is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prozorovskiy | Germany, Russia, United States, Ukraine |
| Прозоровский | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |