In the world, ผ่าย (Phai 
, ผ่าย) is quite a rare epicene first name. The first name ผ่าย is habitual in Vietnam, where it is a rare principally masculine, but very seldom female name, India, where it is a very rare unisex name, and South Africa. Measured by absolute frequency, it most frequently occurs in India, Vietnam, and the United States. Likewise, ผ่าย is the last name as well as the forename.