"Variant of Julian"
The name Yulian is commonly a male name from the "Greek" origin.
Yulian is the Bulgarian, Russian and Ukrainian form of Julian, written with an initial Y where English uses J; the Russian spelling is Юлиан and the Ukrainian is Юліан. It goes back to the Latin family name Iulius, borne by the Roman gens Julia. The same Latin name is also used as a given name in Indonesia and Malaysia, usually in this spelling.
Julian means "Belonging to the youth. The masculine form of Julia.".
The pronunciation of Yulian is YOO-lee-uhn.