Last name Sushanskaya (Sushanskaya 
, Сушанская 
) , across the world, is a very rare cognomen. The last name Sushanskaya is characteristic of Russia, where it is a very rare surname, Israel, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Sushanskaya | Israel, United States |
| Сушанская | Kazakhstan, Russia |