Surname יוליו (Iuliu 
, יוליו 
) , around the world, is quite a rare family name. The last name יוליו is characteristic of Romania, where it is quite a rare surname, Hungary, where it is a very rare surname, and Spain. Measured by absolute frequency, this name is the most popular in Romania, Spain, and China. More prevalently, יוליו is the forename as well as the last name.