Last name Yulyus (Юлиус 
, Yulyus 
, Юлюс 
) , in the entire world, is a very rare cognomen. The cognomen Yulyus is habitual in Bulgaria, where it is a rare surname, Indonesia, where it is a very rare surname, and Russia, where it is an extremely rare surname. More frequently, Yulyus is the forename as well as the last name.