Last name Rovnik (Rovnik 
, Ровник 
) , around the world, is a rare surname. The surname Rovnik is characteristic of Estonia, where it is a rare surname, Ukraine, and Belarus, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Rovnik | Canada, Estonia |
| Ровник | Russia, Ukraine, Belarus |