Cognomen Iouliana (Юлиана 
, Iouliana 
, Юльяна 
) , throughout the world, is a rare last name. The family name Iouliana is habitual in Moldova, where it is quite a rare surname, Belarus, and Greece, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Russia, Uzbekistan, and Belarus. More frequently, Iouliana is the forename as well as the last name.