Last name นีรนาถ (นีรนาถ 
, Niranart 
, Niranat 
) , throughout the world, is a very rare cognomen. The cognomen นีรนาถ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, นีรนาถ is the forename as well as the last name.