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