Worldwide, Йойко (Йойко ) is an extremely rare unknown gender first name. Much more frequently, Йойко is the last name as well as the forename.
Jojko, and Yoyko
Богдан, Іванна, Віра-Надія, Степанія, and Парасковія
) is an extremely rare unknown gender first name. Much more frequently, Йойко is the last name as well as the forename.