Cognomen Slonkova (Slonkova 
, Слонкова 
) , worldwide, is a very rare family name. The cognomen Slonkova is habitual in Eastern Europe, particularly Czechia, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Slonkova | Czechia |
| Слонкова | Russia, Ukraine |