Surname ปิยะธรรม (Piyath 
, Piyatam 
, ปิยะธรรม ) , around the globe, is a rare family name. The family name ปิยะธรรม is characteristic of Thailand, where it is a rare surname, China, where it is an extremely rare surname, and India. More frequently, ปิยะธรรม is the forename as well as the last name.