Globally, Duyko (Duyko , Дуйко ) is an extremely rare unknown gender given name. Much more prevalently, Duyko is the last name as well as the forename.
Дуико, Дуыко, and דויקו
Yuriy, Andriy, Nataly, and Anastasiya
, Дуйко 
) is an extremely rare unknown gender given name. Much more prevalently, Duyko is the last name as well as the forename.