Last name ปิ่นรัตน์ (Pinrat 
, Pinrath , Pintarat ) , worldwide, is a rare surname. The surname ปิ่นรัตน์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, ปิ่นรัตน์ is the forename as well as the last name.