Surname ปิ่นรัตนา (Pinrattana 
, ปิ่นรัตนา) , in all the world, is an extremely rare last name. The family name ปิ่นรัตนา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ปิ่นรัตนา is the forename as well as the last name.