Across the world, カスタ (Casta 
, カスタ 
) is quite a rare unisex first name. The first name カスタ is habitual in Nicaragua, where it is quite a rare female name, Bolivia, and Tanzania, where it is a rare female name. Measured by absolute frequency, it is the most numerous in India, Nicaragua, and Bolivia. Likewise, カスタ is the last name as well as the forename.