Family name ณัฐสุทธิ์ (ณัฐสุทธิ์ 
) , globally, is an extremely rare last name. The surname ณัฐสุทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, ณัฐสุทธิ์ is the forename as well as the last name.