Cognomen Lanskaia (Lanskaia 
, Ланская 
) , around the world, is quite a rare family name. The family name Lanskaia is characteristic of Russia, where it is a rare surname, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Lanskaia | Russia, Georgia |
| Ланская | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |