Cognomen ณัฏฐ์เอก (ณัฏฐ์เอก 
) , all over the world, is an extremely rare family name. The surname ณัฏฐ์เอก is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, ณัฏฐ์เอก is the forename as well as the last name.