Surname Marenych (Marenych 
, Маренич 
) , throughout the world, is quite a rare family name. The family name Marenych is habitual in Ukraine, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Marenych | Czechia, Canada, Ukraine, United States, India |
| Маренич | Belarus, Kazakhstan, Russia, Ukraine |