All over the world, 왕수 (Wangsu 
, 왕수) is a rare principally masculine, but scarcely feminine first name. The first name 왕수 is habitual in South Korea, where it is a rare male name, India, where it is an extremely rare unisex name, and China, where it is an extremely rare boy's name. Much more frequently, 왕수 is the last name as well as the forename.