Last name ธรรมสุรัตน์ (ธรรมสุรัตน์ 
) , globally, is an extremely rare cognomen. The family name ธรรมสุรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, ธรรมสุรัตน์ is the forename as well as the last name.