Last name Koltunovskiy (Koltunovskiy, Колтуновский 
) , throughout the world, is a very rare family name. The surname Koltunovskiy is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Колтуновский | Ukraine, Russia |