Surname สุวงศ์ (สุวงศ์ 
, Suwong 
, Suvong 
) , in the entire world, is a rare family name. The surname สุวงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Indonesia, where it is a very rare surname, and Malaysia. Much less frequently, สุวงศ์ is the forename as well as the last name.