Cognomen ณัฐสา (Nathasa 
, Nattasa , ณัฐสา ) , across the world, is a rare last name. The surname ณัฐสา is habitual in Indonesia, where it is a rare surname, Malaysia, and Venezuela, where it is an extremely rare surname. In absolute terms, the name is most common in Indonesia, Malaysia, and India. More frequently, ณัฐสา is the forename as well as the last name.