Around the world, 卡乌 (Cau 
, 卡乌) is quite a rare epicene first name. The forename 卡乌 is habitual in Vietnam, where it is a rare predominantly boy's, but scarcely female name, Romania, where it is a rare male name, and Italy, where it is a rare epicene name. Measured by absolute frequency, this name is the most popular in India, Vietnam, and Indonesia. More prevalently, 卡乌 is the last name as well as the forename.