Cognomen Rybnickova (Rybnickova 
) , globally, is quite a rare last name. The surname Rybnickova is habitual in Eastern Europe, particularly Slovakia, where it is quite a common surname, and Czechia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rybnickova | United States, Czechia, Slovakia |
Rybničková, and Rybníčková