Surname Dergachova (Dergachova 
) , globally, is an extremely rare cognomen. The cognomen Dergachova is characteristic of Georgia, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Dergachova | Ukraine, Georgia, Russia |
Дергачова, and Дергачьова