Cognomen Гашченко (Гашченко 
, Gashchenko 
) , around the world, is a very rare family name. The cognomen Гашченко is characteristic of Switzerland, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гашченко | Russia |
| Gashchenko | Switzerland, Russia, United States |