Cognomen Gnatovskaia (Gnatovskaia 
, Гнатовская 
) , all over the world, is a rare surname. The cognomen Gnatovskaia is habitual in Belarus, where it is a rare surname, Russia, and Georgia, where it is a very rare surname. In absolute terms, this name is the most popular in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Gnatovskaia | Russia, Georgia |
| Гнатовская | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |