Cognomen Мордухай (Мордухай 
, Mordukhay 
, Morduhai) , in the entire world, is a rare last name. The family name Мордухай is characteristic of Belarus, where it is a rare surname, Ukraine, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Belarus, Russia, and Ukraine. Much less frequently, Мордухай is the forename as well as the last name.