All over the world, Легень (Легень , Legień ) is an extremely rare unknown gender forename. Much more frequently, Легень is the last name as well as the forename.
Legen, Leguen, and Lehyen
Яна, Маргарита, Катерина, Олексій, Людмила, Сергій, Віктор, Нікіта, Максим, Кирило, Ірина, Иосиф, Денис, Петро, Павло, Аліна, Марія, Алла, Володимир, and Олександр
, Legień 
) is an extremely rare unknown gender forename. Much more frequently, Легень is the last name as well as the forename.