Last name Rostovskaia (Ростовская 
, Rostovskaia 
) , around the world, is quite a rare surname. The last name Rostovskaia is characteristic of Russia, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Ростовская | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Rostovskaia | Germany, Russia, Spain |