Family name Юлиу (Iuliu 
, Juliu 
, Юлиу 
) , all over the world, is quite a rare surname. The last name Юлиу is characteristic of Romania, where it is quite a rare surname, Hungary, where it is a very rare surname, and Spain. In absolute terms, this name is the most popular in Romania, Nigeria, and China. More prevalently, Юлиу is the forename as well as the last name.