Family name نياس (Nias 
, Niasse 
, نياس 
) , all around the world, is a common cognomen. The family name نياس is characteristic of Senegal, where it is quite a common surname, Saint Kitts and Nevis, and Ivory Coast, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Senegal, Indonesia, and Ivory Coast. Much less frequently, نياس is the forename as well as the last name.