Cognomen โสภารัตน์ (โสภารัตน์ 
, Soparat 
, Sooparat ) , all around the world, is quite a rare last name. The family name โสภารัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Much less frequently, โสภารัตน์ is the forename as well as the last name.