Cognomen บัวรัตน์ (บัวรัตน์ 
, Buarat 
, Buarath ) , in the world, is a rare last name. The surname บัวรัตน์ is habitual in Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Also, บัวรัตน์ is the forename as well as the last name.