Around the world, ปิยะพันธุ์ (Piyapan 
, Piyaphan , ปิยะพันธุ์ ) is a rare unisex first name. The given name ปิยะพันธุ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare epicene name. Very seldom, ปิยะพันธุ์ is the last name as well as the forename.