Last name ปิ่นชัย (Pinchai 
, ปิ่นชัย) , throughout the world, is quite a rare cognomen. The cognomen ปิ่นชัย is habitual in Thailand, where it is quite a rare surname, and Tunisia, where it is a rare surname. Very seldom, ปิ่นชัย is the forename as well as the last name.