Around the globe, Касуя (Gizo 
, Kasuya 
, Касуя 
) is quite a rare predominantly male, but scarcely girly first name. The forename Касуя is habitual in Georgia, where it is quite a common masculine name, Nigeria, where it is a rare unisex name, and Greece, where it is a rare feminine name. In absolute terms, it most frequently occurs in Georgia, Nigeria, and China. Likewise, Касуя is the last name as well as the forename.