Cognomen วัชรบูรณ์ (วัชรบูรณ์ 
, Wacharaboon) , worldwide, is an extremely rare surname. The family name วัชรบูรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, วัชรบูรณ์ is the forename as well as the last name.