Globally, Bilyan (Билян 
, Bilyan 
) is a rare predominantly male, but very infrequently girly first name. The first name Bilyan is characteristic of Bulgaria, where it is quite a rare boy's name, Kazakhstan, where it is a very rare mostly boy's, but uncommonly girly name, and India, where it is an extremely rare gender-neutral name. Also, Bilyan is the last name as well as the forename.