Last name Kochanovskaya (Kochanovskaya 
, Кочановская 
) , across the world, is a rare family name. The last name Kochanovskaya is habitual in Russia, where it is a rare surname, Belarus, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kochanovskaya | Russia, United States, Greece, Belarus |
| Кочановская | Russia, Kazakhstan, Belarus |