Cognomen אבגוסטובסקי (אבגוסטובסקי 
) , in the world, is an extremely rare last name. The cognomen אבגוסטובסקי is characteristic of Western Asia, particularly Israel, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| אבגוסטובסקי | Israel |
Avgostovsky, and Avgustovsky