Last name Galchanskaya (Galchanskaya 
, Гальчанская 
, Галчанская 
) , in the world, is a rare cognomen. The cognomen Galchanskaya is habitual in Kyrgyzstan, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Galchanskaya | United States, Russia |
| Гальчанская | Kyrgyzstan, Kazakhstan, Russia |
| Галчанская | Kyrgyzstan, Ukraine, Russia |