Cognomen Rachny (Rachny 
) , in all the world, is a rare last name. The surname Rachny is characteristic of Germany, where it is a rare surname, Cambodia, where it is a very rare surname, and Croatia. Not in comparison with a country's population, the name is most common in Germany, Malaysia, and Cambodia. More frequently, Rachny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rachny | United States, Germany, Democratic Republic of the Congo, Malaysia, Cambodia |