Surname Gavrychenko (Gavrychenko 
, Гавриченко 
) , in all the world, is quite a rare last name. The cognomen Gavrychenko is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Gavrychenko | United States |
| Гавриченко | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |