Family name สุวัฒนวงศ์ (สุวัฒนวงศ์ 
) , all over the world, is a very rare last name. The cognomen สุวัฒนวงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, สุวัฒนวงศ์ is the forename as well as the last name.