Worldwide, Ivatsko (Ivatsko , Ивацко ) is an extremely rare unknown gender first name. Predominantly, Ivatsko is the last name as well as the forename.
Івацко, and Івацько
Oleksandr
, Ивацко 
) is an extremely rare unknown gender first name. Predominantly, Ivatsko is the last name as well as the forename.