Family name Григорашченко (Григорашченко 
, Grigorachtchenko 
, Grigorashchenko ) , in the entire world, is a very rare last name. The cognomen Григорашченко is habitual in Hungary, where it is a very rare surname, Russia, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Григорашченко, Grigorashchenko | Russia |
| Grigorachtchenko | Canada |
| Grygorashchenko | Hungary |