Surname ประดิษฐ์วงศ์ (ประดิษฐ์วงศ์ 
, Praditwong ) , in all the world, is a rare last name. The surname ประดิษฐ์วงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ประดิษฐ์วงศ์ is the forename as well as the last name.