All around the world, Paiyan (ปาย 
, Paiyan 
, ไปยาล ) is a rare epicene first name. The forename Paiyan is habitual in South-eastern Asia, particularly Thailand, where it is a rare epicene name, Indonesia, where it is a very rare male name, and Philippines, where it is a very rare female name. Measured by absolute frequency, the name is most common in Thailand, India, and Indonesia. Likewise, Paiyan is the last name as well as the forename.