In the world, Сиуко (Shiuko , Siuko , Сиуко ) is an extremely rare epicene forename. More prevalently, Сиуко is the last name as well as the forename.
Syuko, and シウコ
, Siuko 
, Сиуко 
) is an extremely rare epicene forename. More prevalently, Сиуко is the last name as well as the forename.