In the world, Kasu (Kasu 
, กษุ 
) is a common unisex forename. The given name Kasu is habitual in Ethiopia, where it is quite a rare epicene name, India, and Sri Lanka, where it is a rare boy's name. Measured by absolute frequency, the name is most common in India, Ethiopia, and Indonesia. Likewise, Kasu is the last name as well as the forename.