Family name Ratkova (Ratkova 
, Раткова 
, Ратькова 
) , worldwide, is a rare cognomen. The cognomen Ratkova is habitual in Eastern Europe, particularly Russia, where it is a rare surname, Belarus, and Ukraine. Much less frequently, Ratkova is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratkova | Spain, North Macedonia, United States, Russia |
| Раткова | Kazakhstan, Russia, Ukraine, Bulgaria |
| Ратькова | Kazakhstan, Russia, Ukraine, Belarus |
| ekaterina l ratkova researcher (ORCID 0000-0003-4110-0078) |
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| mrna ratkova HR |
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