Surname Volyanyuk (Волянюк 
, Volyanyuk 
) , in all the world, is quite a rare cognomen. The cognomen Volyanyuk is habitual in Eastern Europe, particularly Ukraine, where it is quite a rare surname, Belarus, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Belarus.