In all the world, Демьен (Demjén , Демьен ) is an extremely rare unknown gender given name. More frequently, Демьен is the last name as well as the forename.
Demen, Demien, Demyen, and Dyemen
Ніна, Беата, Еріка, Йосип, Томаш, Федір, Ірина, Адріенн, Аттіла, Доріна, Василь, Кріштоф, Каталин, Домінік, Наталія, and Катерина
, Демьен 
) is an extremely rare unknown gender given name. More frequently, Демьен is the last name as well as the forename.