Surname จุฑาวงศ์ (จุฑาวงศ์ 
, Juthavong , Jutawong) , throughout the world, is an extremely rare cognomen. The family name จุฑาวงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, จุฑาวงศ์ is the forename as well as the last name.