Surname Grebinnyk (Grebinnyk 
) , in all the world, is a very rare cognomen. The surname Grebinnyk is characteristic of Finland, where it is a very rare surname, the United Kingdom, and Ukraine, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in the United Kingdom, Finland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Grebinnyk | Ukraine, United Kingdom, United States, Finland |