Globally, Liulchenko (Liulchenko , Люльченко ) is an extremely rare unknown gender given name. Much more prevalently, Liulchenko is the last name as well as the forename.
Лиулченко, and Люлченко
Sergii, and Serhii
, Люльченко 
) is an extremely rare unknown gender given name. Much more prevalently, Liulchenko is the last name as well as the forename.