Cognomen ปิยาพันธ์ (ปิยาพันธ์ 
) , all around the world, is a very rare surname. The family name ปิยาพันธ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ปิยาพันธ์ is the forename as well as the last name.