Surname Korestsky (Korestsky 
) , throughout the world, is an extremely rare cognomen. The family name Korestsky is habitual in New Zealand, where it is a very rare surname, Canada, where it is an extremely rare surname, and Ukraine. Very seldom, Korestsky is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Korestsky | Canada, Ukraine, New Zealand, United States |