Last name Myronyak (Myronyak 
, Мироняк 
) , all around the world, is a rare surname. The surname Myronyak is characteristic of Ukraine, where it is quite a rare surname, Romania, where it is a rare surname, and Kazakhstan, where it is a very rare surname. In absolute terms, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Romania. Very seldom, Myronyak is the forename as well as the last name.