All around the world, Косьтюк (Косьтюк ) is an extremely rare unknown gender first name. Much more prevalently, Косьтюк is the last name as well as the forename.
Kostiouk, Kostiuk, and Kostyuk
) is an extremely rare unknown gender first name. Much more prevalently, Косьтюк is the last name as well as the forename.