Cognomen คุณาสรณ์ (คุณาสรณ์ 
, Kunthasorn ) , around the world, is an extremely rare surname. The last name คุณาสรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, คุณาสรณ์ is the forename as well as the last name.