Family name Kostetska (Kostetska 
) , all around the world, is a very rare surname. The surname Kostetska is habitual in Greece, where it is a rare surname, Ukraine, where it is a very rare surname, and Italy, where it is an extremely rare surname. Very seldom, Kostetska is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kostetska | Italy, Ukraine, United States, Greece, Canada |
Костетска, Костетська, Костетцька, Костетьська, Костецка, and Костецька