Surname Грашченко (Грашченко 
, Grashchenko 
) , globally, is a very rare cognomen. The last name Грашченко is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Georgia. Not in comparison with a country's population, it is the most numerous in Russia, China, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Грашченко | Russia |
| Grashchenko | China, Russia, Georgia, Belarus, Ukraine |