Family name ธนสวรรณ (ธนสวรรณ 
, Thanossawan , Thanosawan ) , in all the world, is an extremely rare cognomen. The surname ธนสวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ธนสวรรณ is the forename as well as the last name.