Cognomen ทองบูรณ์ (ทองบูรณ์ 
, Thongboon 
) , in the world, is a rare last name. The last name ทองบูรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ทองบูรณ์ is the forename as well as the last name.