Around the globe, ณัฐสาร (Natthasan 
, ณัฐสาร , Nutthasan ) is a very rare dominantly masculine, but seldom feminine first name. The first name ณัฐสาร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly masculine, but uncommonly female name. Much less frequently, ณัฐสาร is the last name as well as the forename.