Last name Kozlovskaja (Козловская 
, Kozlovskaja 
) , in all the world, is a common surname. The family name Kozlovskaja is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Moldova, and Russia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Козловская | Kazakhstan, Russia, Moldova, Kyrgyzstan, Belarus |
| Kozlovskaja | Estonia, Lithuania, United States, United Kingdom, Belarus |
| tatyana jakovlevna kozlovskaja RU (b. 1956) |
|
|
| kristina jurevna kozlovskaja RU (b. 1978) |
|