Surname Rublik (Rublik 
, Рублик 
) , all over the world, is a rare last name. The surname Rublik is characteristic of Eastern Europe, particularly Slovakia, where it is a rare surname, Ukraine, and Poland. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Russia, Ukraine, and Poland. Very seldom, Rublik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rublik | Germany, Slovakia, Canada, Russia, Poland |
| Рублик | Ukraine, Russia |