Last name ปิยางกูร (Piyangkun 
, Piyangkul , ปิยางกูร ) , across the world, is a very rare cognomen. The last name ปิยางกูร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ปิยางกูร is the forename as well as the last name.