Family name เอื้อวงศ์สุวรรณ (เอื้อวงศ์สุวรรณ, Euawongsuwan 
, Uawongsuwan ) , throughout the world, is an extremely rare surname. The cognomen เอื้อวงศ์สุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.