Surname วงศ์รัตนานุกูล (วงศ์รัตนานุกูล 
, Wongratannanukul, Wongratananukul ) , all around the world, is a very rare family name. The cognomen วงศ์รัตนานุกูล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.