Julien is a masculine given name of French origin, derived from Julius, which means "downy" or "young". It is pronounced /ʒyljɛ̃/. The name has been used in France for centuries and remains popular today.
The name Jullien experienced a steady increase in popularity until the mid-2000s, peaking at 27 births in 2009 and again at 15 births in both 2007 and 2016. Since then, its usage has fluctuated but remained relatively stable, with a total of 300 births recorded between 1991 and 2023.