Family name Koltunovskii (Koltunovskii 
, Колтуновский 
) , across the world, is a very rare surname. The last name Koltunovskii is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koltunovskii | Russia |
| Колтуновский | Russia, Ukraine |