Family name Iuliu (Iuliu 
, يوليو 
, Юлиу 
) , all around the world, is a common cognomen. The surname Iuliu is characteristic of Sudan, where it is quite a common surname, Libya, and Romania, where it is quite a rare surname. In absolute terms, the name is most common in Sudan, Egypt, and Romania. Very seldom, Iuliu is the forename as well as the last name.