Family name กุณฑลรัตน์ (กุณฑลรัตน์ 
) , throughout the world, is a very rare surname. The surname กุณฑลรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, กุณฑลรัตน์ is the forename as well as the last name.