Family name Gricko (Грицко 
, Gricko 
) , in the entire world, is quite a rare surname. The last name Gricko is habitual in Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Latvia. In absolute terms, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Грицко | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Gricko | Brazil, Latvia, Germany, United States |