In the world, Ильян (Ilian 
, Ilyan 
, Ильян 
) is quite a rare gender-neutral first name. The first name Ильян is characteristic of Aland Islands, where it is quite a common male name, Bulgaria, and Albania, where it is quite a rare boy's name. Measured by absolute frequency, the name is most common in Bulgaria, Mexico, and Algeria. Very seldom, Ильян is the last name as well as the forename.