Cognomen Malkovskaya (Malkovskaya 
, Малковская 
) , throughout the world, is a rare last name. The surname Malkovskaya is habitual in Belarus, where it is a rare surname, Estonia, and Russia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Russia, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Malkovskaya | United States, Russia, Estonia |
| Малковская | Ukraine, Russia, Belarus |