Surname Goryun (Горюн 
, Goryun 
) , all around the world, is a rare family name. The last name Goryun is habitual in Eastern Europe, particularly Ukraine, where it is a rare surname, Russia, and Belarus. Measured by absolute frequency, it is the most numerous in Russia, Ukraine, and Spain. Very seldom, Goryun is the forename as well as the last name.