Across the world, Касьяновский (Касьяновский ) is an extremely rare unknown gender first name. Much more prevalently, Касьяновский is the last name as well as the forename.
Kasyanovskii
Сергей, and Витольд
) is an extremely rare unknown gender first name. Much more prevalently, Касьяновский is the last name as well as the forename.