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 | India, Canada, United States, Czechia, Ukraine |
| Маренич | Belarus, Russia, Kazakhstan, Ukraine |