Worldwide, Mussijenko (Mussijenko , Мусієнко ) is an extremely rare unknown gender forename. Much more frequently, Mussijenko is the last name as well as the forename.
Musiienko, Musiyenko, and Муссиенко
Mr, Ms, and Dima
, Мусієнко 
) is an extremely rare unknown gender forename. Much more frequently, Mussijenko is the last name as well as the forename.