All around the world, Kasiyan (Kasiyan 
, Касиян 
) is a rare unisex first name. The first name Kasiyan is habitual in Indonesia, where it is a very rare epicene name, Russia, where it is a very rare masculine name, and India, where it is an extremely rare gender-neutral name. Likewise, Kasiyan is the last name as well as the forename.