Last name เดชสุวรรณ์ (เดชสุวรรณ์ 
, Dejsuvan ) , all around the world, is a rare cognomen. The cognomen เดชสุวรรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, เดชสุวรรณ์ is the forename as well as the last name.