Family name พลอยพลอย (Phinploy 
, Phopphloi 
, พลอยพลอย ) , across the world, is an extremely rare surname. The family name พลอยพลอย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, พลอยพลอย is the forename as well as the last name.