Last name สุณัฐพงศ์ (สุณัฐพงศ์ 
) , all around the world, is a very rare family name. The surname สุณัฐพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, สุณัฐพงศ์ is the forename as well as the last name.