Last name ธนสุวรรณ (ธนสุวรรณ 
, Tanasuwan , Thanasuwan ) , all over the world, is a rare family name. The surname ธนสุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ธนสุวรรณ is the forename as well as the last name.