Cognomen Юллиа (Jullia 
, Yullia 
, Юллиа ) , throughout the world, is a rare last name. The surname Юллиа is characteristic of France, where it is a rare surname, Indonesia, and Switzerland, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Indonesia, France, and Spain. More frequently, Юллиа is the forename as well as the last name.