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 | Russia, North Macedonia, Spain, United States |
| Раткова | Bulgaria, Russia, Kazakhstan, Ukraine |
| Ратькова | Belarus, Russia, Kazakhstan, Ukraine |
| ekaterina l ratkova researcher (ORCID 0000-0003-4110-0078) |
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| mrna ratkova HR |
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