Worldwide, พ่าย (Phai 
, พ่าย) is quite a rare unisex forename. The forename พ่าย is habitual in Vietnam, where it is a rare primarily male, but very infrequently girly name, India, where it is a very rare unisex name, and South Africa. Measured by absolute frequency, the name is most common in India, Vietnam, and the United States. Also, พ่าย is the last name as well as the forename.