Worldwide, Мілен (Milen 
, Мілен 
) is quite a common largely male, but uncommonly girly first name. The given name Мілен is characteristic of Bulgaria, where it is quite a common male name, Cyprus, where it is quite a rare boy's name, and Greece. Measured by absolute frequency, it is commonest in Bulgaria, India, and Afghanistan. Much less frequently, Мілен is the last name as well as the forename.