Last name กฤษดารัตน์ (กฤษดารัตน์ 
, Kritsadarat ) , around the globe, is a very rare cognomen. The family name กฤษดารัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, กฤษดารัตน์ is the forename as well as the last name.