Last name แก้วนุ่น (Kaewnoona 
, แก้วนุ่น, Kaewnhuna ) , across the world, is a very rare family name. The surname แก้วนุ่น is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, แก้วนุ่น is the forename as well as the last name.